StableTravel
payment-ready until 2026-10-26
imported from the x402 Bazaar, not submitted by the operator · own this service? claim it · or ask to be removed
Pay-per-request travel API for flight search, award seat availability, hotels, activities, transfers and flight tracking, built on Amadeus, Seats.aero, SerpAPI and FlightAware.
Call it x402 v2
x402 v2
- Base URL
- https://stabletravel.dev
- Payment
- x402 v2, header channel
$ curl -i 'https://stabletravel.dev/api/flightaware/flights/UAL123' An unpaid request returns HTTP 402 with the payment terms. Sign a payment authorization, then retry with the PAYMENT-SIGNATURE header.
Endpoints 10 paid routes on stabletravel.dev
GET/api/flightaware/flights/UAL123 Base+Sol $0.01since 07-20
GET/api/flights/search Base+Sol $0.054since 07-20
GET/api/google-flights/booking Base+Sol $0.02since 07-20
GET/api/google-flights/search Base+Sol $0.02since 07-20
GET/api/hotels/autocomplete Base+Sol $0.0054since 07-20
GET/api/hotels/list Base+Sol $0.0324since 07-20
GET/api/hotels/list/by-geocode Base+Sol $0.0324since 07-20
GET/api/hotels/search Base+Sol $0.0324since 07-20
2 more in Example 402 response
Prices as captured in the 402 response: median $0.02 across the 10 endpoints.
Example 402 response
Endpoints and prices
| Method | Path | Description | Price | Network | Asset | 402 channel | Captured |
|---|---|---|---|---|---|---|---|
| GET | / | Get flight information by ident (designator, registration, or fa_flight_id) | $0.01 | Base+ | USDC | header | since 07-20 |
| GET | / | No description | $0.054 | Base+ | USDC | not captured | since 07-20 |
| GET | / | Get booking options for a specific flight. Requires a departure_token from a search result. | $0.02 | Base+ | USDC | header | since 07-20 |
| GET | / | Search Google Flights for flight offers. Returns best flights, other flights, price insights, and airport info. | $0.02 | Base+ | USDC | header | since 07-20 |
| GET | / | No description | $0.0054 | Base+ | USDC | not captured | since 07-20 |
| GET | / | No description | $0.0324 | Base+ | USDC | not captured | since 07-20 |
| GET | / | No description | $0.0324 | Base+ | USDC | not captured | since 07-20 |
| GET | / | No description | $0.0324 | Base+ | USDC | not captured | since 07-20 |
| GET | / | No description | $0.0054 | Base+ | USDC | not captured | since 07-20 |
| GET | / | Search cached Seats.aero award availability by origin, destination, dates, cabin, carriers, and pagination. | $0.02 | Base+ | USDC | header | since 07-20 |
Payment evidence
402 payload captured at . Check evidence JSON · Measurement methodology.
First of 4 payloads captured by the monitor.
623 lines, scroll inside
{
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xDd257723b86B4947483905cdAcBbBC70fACF2ec0",
"amount": "20000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
"recentBlockhash": "H1mNNu429bsDuToimxjVuS5HwpHfQrJEB8JYLGE7zUjf",
"lastValidBlockHeight": "429059612"
},
"payTo": "6u5LMGQC2qk9peNibahmRWxGVXrBypk8nhTCcqtiuqMY",
"amount": "20000",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://stabletravel.dev/api/seats-aero/search",
"tags": [
"Seats Aero"
],
"method": "GET",
"mimeType": "application/json",
"description": "Search cached Seats.aero award availability by origin, destination, dates, cabin, carriers, and pagination.",
"serviceName": "StableTravel"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"take": 25,
"cabin": "business",
"end_date": "2026-12-15",
"start_date": "2026-12-01",
"origin_airport": "SFO",
"destination_airport": "FRA,LHR",
"only_direct_flights": true
}
},
"output": {
"type": "json",
"example": {
"data": [
{
"ID": "avail_123",
"Date": "2026-12-10",
"Route": {
"Source": "united",
"OriginRegion": "North America",
"OriginAirport": "SFO",
"DestinationRegion": "Europe",
"DestinationAirport": "FRA"
},
"Source": "united",
"JDirect": true,
"JAirlines": "UA",
"JAvailable": true,
"JMileageCost": "88000",
"JRemainingSeats": 2
}
],
"count": 1,
"cursor": 123456,
"hasMore": true
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"origin_airport",
"destination_airport"
],
"properties": {
"skip": {
"type": "integer",
"maximum": 9007199254740991,
"minimum": 0,
"description": "Number of results to skip"
},
"take": {
"type": "integer",
"maximum": 1000,
"minimum": 10,
"description": "Number of results to return, 10 to 1000"
},
"cabin": {
"enum": [
"economy",
"premium",
"business",
"first"
],
"type": "string",
"description": "Award cabin to require"
},
"cursor": {
"type": "integer",
"maximum": 9007199254740991,
"minimum": -9007199254740991,
"description": "Cursor from a previous Seats.aero response"
},
"carriers": {
"type": "string",
"description": "Comma-delimited carrier filter, e.g. \"UA,LH\"."
},
"end_date": {
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"description": "Latest departure date"
},
"order_by": {
"enum": [
"lowest_mileage"
],
"type": "string",
"description": "Order results by cheapest mileage instead of default date order"
},
"start_date": {
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"description": "Earliest departure date"
},
"include_trips": {
"type": "boolean",
"description": "Include trip-level details in cached search results"
},
"origin_airport": {
"type": "string",
"minLength": 3,
"description": "Origin airport list. Comma-delimit multiple codes, e.g. \"SFO,LAX\"."
},
"destination_airport": {
"type": "string",
"minLength": 3,
"description": "Destination airport list. Comma-delimit multiple codes, e.g. \"FRA,LHR\"."
},
"only_direct_flights": {
"type": "boolean",
"description": "Only return results with direct award availability"
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"data": {
"anyOf": [
{
"type": "array",
"items": {
"type": "object",
"properties": {
"ID": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"Date": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"Route": {
"anyOf": [
{
"type": "object",
"properties": {
"ID": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"Source": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"Distance": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"NumDaysOut": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"OriginRegion": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"OriginAirport": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"DestinationRegion": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"DestinationAirport": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
}
},
"additionalProperties": {}
},
{
"type": "null"
}
]
},
"Source": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"FDirect": {
"anyOf": [
{
"type": "boolean"
},
{
"type": "null"
}
]
},
"JDirect": {
"anyOf": [
{
"type": "boolean"
},
{
"type": "null"
}
]
},
"RouteID": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"WDirect": {
"anyOf": [
{
"type": "boolean"
},
{
"type": "null"
}
]
},
"YDirect": {
"anyOf": [
{
"type": "boolean"
},
{
"type": "null"
}
]
},
"CreatedAt": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"FAirlines": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"JAirlines": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"UpdatedAt": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"WAirlines": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"YAirlines": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"FAvailable": {
"anyOf": [
{
"type": "boolean"
},
{
"type": "null"
}
]
},
"JAvailable": {
"anyOf": [
{
"type": "boolean"
},
{
"type": "null"
}
]
},
"ParsedDate": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"WAvailable": {
"anyOf": [
{
"type": "boolean"
},
{
"type": "null"
}
]
},
"YAvailable": {
"anyOf": [
{
"type": "boolean"
},
{
"type": "null"
}
]
},
"FMileageCost": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"JMileageCost": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"WMileageCost": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"YMileageCost": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"FRemainingSeats": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"JRemainingSeats": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"WRemainingSeats": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"YRemainingSeats": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"AvailabilityTrips": {}
},
"additionalProperties": {}
}
},
{
"type": "null"
}
]
},
"count": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"cursor": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"hasMore": {
"anyOf": [
{
"type": "boolean"
},
{
"type": "null"
}
]
}
},
"additionalProperties": {}
}
}
}
}
}
}
},
"x402Version": 2
} Other captured 402 responses (3)
Captured payload 2 of 4
{
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xDd257723b86B4947483905cdAcBbBC70fACF2ec0",
"amount": "20000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
"recentBlockhash": "H1mNNu429bsDuToimxjVuS5HwpHfQrJEB8JYLGE7zUjf",
"lastValidBlockHeight": "429059612"
},
"payTo": "6u5LMGQC2qk9peNibahmRWxGVXrBypk8nhTCcqtiuqMY",
"amount": "20000",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://stabletravel.dev/api/google-flights/booking",
"tags": [
"Google Flights"
],
"method": "GET",
"mimeType": "application/json",
"description": "Get booking options for a specific flight. Requires a departure_token from a search result.",
"serviceName": "StableTravel"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"hl": "en",
"type": "1",
"adults": 1,
"children": 0,
"currency": "USD",
"arrival_id": "LAX",
"return_date": "2026-12-08",
"departure_id": "JFK",
"outbound_date": "2026-12-01",
"infants_on_lap": 0,
"departure_token": "token-abc123",
"infants_in_seat": 0
}
},
"output": {
"type": "json",
"example": {
"booking_options": [
{
"url": "https://www.aa.com/booking",
"price": 350,
"book_with": "American Airlines",
"option_title": "Book with American Airlines"
}
],
"selected_flights": [
{
"price": 350,
"flights": [
{
"airline": "American",
"duration": 360,
"flight_number": "AA 100",
"arrival_airport": {
"id": "LAX",
"name": "LAX",
"time": "2026-12-01 11:00"
},
"departure_airport": {
"id": "JFK",
"name": "JFK",
"time": "2026-12-01 08:00"
}
}
],
"total_duration": 360
}
]
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"departure_id",
"arrival_id",
"outbound_date",
"type",
"adults",
"children",
"infants_in_seat",
"infants_on_lap",
"currency",
"hl",
"departure_token"
],
"properties": {
"hl": {
"type": "string",
"default": "en"
},
"type": {
"enum": [
"1",
"2",
"3"
],
"type": "string",
"default": "1",
"description": "1 = Round trip, 2 = One way, 3 = Multi-city"
},
"adults": {
"type": "integer",
"default": 1,
"maximum": 9,
"minimum": 1
},
"children": {
"type": "integer",
"default": 0,
"maximum": 9,
"minimum": 0
},
"currency": {
"type": "string",
"default": "USD",
"maxLength": 3,
"minLength": 3
},
"arrival_id": {
"type": "string"
},
"return_date": {
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$"
},
"departure_id": {
"type": "string"
},
"travel_class": {
"enum": [
"1",
"2",
"3",
"4"
],
"type": "string",
"description": "1 = Economy, 2 = Premium economy, 3 = Business, 4 = First"
},
"outbound_date": {
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$"
},
"infants_on_lap": {
"type": "integer",
"default": 0,
"maximum": 9,
"minimum": 0
},
"departure_token": {
"type": "string",
"description": "Token from a search result to get booking options"
},
"infants_in_seat": {
"type": "integer",
"default": 0,
"maximum": 9,
"minimum": 0
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"price_insights": {
"type": "object",
"properties": {
"price_level": {
"type": "string"
},
"lowest_price": {
"type": "number"
},
"price_history": {
"type": "array",
"items": {
"type": "array",
"items": {
"type": "number"
}
}
},
"typical_price_range": {
"type": "array",
"items": {
"type": "number"
}
}
},
"additionalProperties": false
},
"booking_options": {
"type": "array",
"items": {
"type": "object",
"properties": {
"url": {
"type": "string"
},
"price": {
"type": "number"
},
"book_with": {
"type": "string"
},
"extensions": {
"type": "array",
"items": {
"type": "string"
}
},
"airline_logo": {
"type": "string"
},
"local_prices": {
"type": "array",
"items": {
"type": "object",
"properties": {
"price": {
"type": "number"
},
"currency": {
"type": "string"
}
},
"additionalProperties": false
}
},
"option_title": {
"type": "string"
},
"baggage_prices": {
"type": "array",
"items": {
"type": "string"
}
}
},
"additionalProperties": false
}
},
"search_metadata": {
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {}
},
"selected_flights": {
"type": "array",
"items": {
"type": "object",
"properties": {
"type": {
"type": "string"
},
"price": {
"type": "number"
},
"flights": {
"type": "array",
"items": {
"type": "object",
"properties": {
"airline": {
"type": "string"
},
"legroom": {
"type": "string"
},
"airplane": {
"type": "string"
},
"duration": {
"type": "number"
},
"overnight": {
"type": "boolean"
},
"extensions": {
"type": "array",
"items": {
"type": "string"
}
},
"airline_logo": {
"type": "string"
},
"travel_class": {
"type": "string"
},
"flight_number": {
"type": "string"
},
"arrival_airport": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"name": {
"type": "string"
},
"time": {
"type": "string"
}
},
"additionalProperties": false
},
"departure_airport": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"name": {
"type": "string"
},
"time": {
"type": "string"
}
},
"additionalProperties": false
},
"often_delayed_by_over_30_min": {
"type": "boolean"
}
},
"additionalProperties": false
}
},
"layovers": {
"type": "array",
"items": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"name": {
"type": "string"
},
"duration": {
"type": "number"
},
"overnight": {
"type": "boolean"
}
},
"additionalProperties": false
}
},
"extensions": {
"type": "array",
"items": {
"type": "string"
}
},
"airline_logo": {
"type": "string"
},
"total_duration": {
"type": "number"
},
"departure_token": {
"type": "string"
},
"carbon_emissions": {
"type": "object",
"properties": {
"this_flight": {
"type": "number"
},
"difference_percent": {
"type": "number"
},
"typical_for_this_route": {
"type": "number"
}
},
"additionalProperties": false
}
},
"additionalProperties": false
}
},
"search_parameters": {
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {}
}
},
"additionalProperties": false
}
}
}
}
}
}
},
"x402Version": 2
}Captured payload 3 of 4
{
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xDd257723b86B4947483905cdAcBbBC70fACF2ec0",
"amount": "10000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
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"amount": "10000",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://stabletravel.dev/api/flightaware/flights/UAL123",
"tags": [
"Flightaware"
],
"method": "GET",
"mimeType": "application/json",
"description": "Get flight information by ident (designator, registration, or fa_flight_id)",
"serviceName": "StableTravel"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"max_pages": 1,
"ident_type": "designator"
}
},
"output": {
"type": "json",
"example": {
"flights": [
{
"type": "Airline",
"ident": "AAL100",
"origin": {
"city": "New York",
"code": "KJFK",
"name": "John F. Kennedy International",
"code_iata": "JFK",
"code_icao": "KJFK"
},
"status": "Scheduled",
"operator": "AAL",
"ident_iata": "AA100",
"ident_icao": "AAL100",
"destination": {
"city": "Los Angeles",
"code": "KLAX",
"name": "Los Angeles International",
"code_iata": "LAX",
"code_icao": "KLAX"
},
"fa_flight_id": "AAL100-1733068800-airline-0001",
"scheduled_in": "2026-12-01T19:00:00Z",
"aircraft_type": "B738",
"flight_number": "100",
"operator_iata": "AA",
"operator_icao": "AAL",
"scheduled_out": "2026-12-01T13:00:00Z"
}
],
"num_pages": 1
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
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"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
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"method": {
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"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"end": {
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"description": "End date/time (ISO 8601)"
},
"start": {
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"description": "Start date/time (ISO 8601)"
},
"cursor": {
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"description": "Opaque cursor for pagination"
},
"max_pages": {
"type": "number",
"description": "Maximum number of pages to fetch"
},
"ident_type": {
"enum": [
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"designator",
"registration"
],
"type": "string",
"description": "Type of flight identifier"
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"flights"
],
"properties": {
"links": {
"anyOf": [
{
"type": "object",
"properties": {
"next": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
}
},
"additionalProperties": false
},
{
"type": "null"
}
]
},
"flights": {
"type": "array",
"items": {
"type": "object",
"properties": {
"type": {
"anyOf": [
{
"enum": [
"Airline",
"General_Aviation",
"Cargo"
],
"type": "string"
},
{
"type": "null"
}
]
},
"ident": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"route": {
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{
"type": "string"
},
{
"type": "null"
}
]
},
"origin": {
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{
"type": "object",
"properties": {
"city": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"code": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"name": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"code_lid": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"timezone": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"code_iata": {
"anyOf": [
{
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{
"type": "null"
}
]
},
"code_icao": {
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{
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{
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}
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"airport_info_url": {
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{
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{
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}
]
}
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"additionalProperties": false
},
{
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]
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"status": {
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{
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{
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"blocked": {
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{
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{
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{
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{
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]
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{
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"atc_ident": {
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"cancelled": {
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"filed_ete": {
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{
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"actual_out": {
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"codeshares": {
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{
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{
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"ident_iata": {
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"destination": {
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{
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{
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{
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]
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"filed_airspeed": {
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"filed_altitude": {
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},
"route_distance": {
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"codeshares_iata": {
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]
},
"departure_delay": {
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]
},
"terminal_origin": {
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]
},
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]
},
"progress_percent": {
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"seats_cabin_coach": {
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{
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]
},
"seats_cabin_first": {
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{
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]
},
"actual_arrival_time": {
"anyOf": [
{
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},
{
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]
},
"inbound_fa_flight_id": {
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{
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},
{
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}
]
},
"seats_cabin_business": {
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]
},
"terminal_destination": {
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{
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{
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}
]
},
"actual_departure_time": {
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{
"type": "string"
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{
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},
"estimated_arrival_time": {
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{
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},
"scheduled_arrival_time": {
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{
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"estimated_departure_time": {
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},
"scheduled_departure_time": {
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{
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]
},
"foresight_predictions_available": {
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{
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},
{
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}
]
}
},
"additionalProperties": false
}
},
"num_pages": {
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}
},
"additionalProperties": false
}
}
}
}
}
}
},
"x402Version": 2
}Captured payload 4 of 4
{
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
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"version": "2"
},
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{
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],
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],
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{
"type": "Round trip",
"price": 350,
"flights": [
{
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"duration": 360,
"travel_class": "Economy",
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}
}
}
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"DELETE"
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"2",
"3",
"4"
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"include_airlines": {
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}
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"items": {
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"image": {
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"airport": {
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"name": {
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"time": {
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"country": {
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"properties": {
"airline": {
"type": "string"
},
"legroom": {
"type": "string"
},
"airplane": {
"type": "string"
},
"duration": {
"type": "number"
},
"overnight": {
"type": "boolean"
},
"extensions": {
"type": "array",
"items": {
"type": "string"
}
},
"airline_logo": {
"type": "string"
},
"travel_class": {
"type": "string"
},
"flight_number": {
"type": "string"
},
"arrival_airport": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"name": {
"type": "string"
},
"time": {
"type": "string"
}
},
"additionalProperties": false
},
"departure_airport": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"name": {
"type": "string"
},
"time": {
"type": "string"
}
},
"additionalProperties": false
},
"often_delayed_by_over_30_min": {
"type": "boolean"
}
},
"additionalProperties": false
}
},
"layovers": {
"type": "array",
"items": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"name": {
"type": "string"
},
"duration": {
"type": "number"
},
"overnight": {
"type": "boolean"
}
},
"additionalProperties": false
}
},
"extensions": {
"type": "array",
"items": {
"type": "string"
}
},
"airline_logo": {
"type": "string"
},
"total_duration": {
"type": "number"
},
"departure_token": {
"type": "string"
},
"carbon_emissions": {
"type": "object",
"properties": {
"this_flight": {
"type": "number"
},
"difference_percent": {
"type": "number"
},
"typical_for_this_route": {
"type": "number"
}
},
"additionalProperties": false
}
},
"additionalProperties": false
}
},
"other_flights": {
"type": "array",
"items": {
"type": "object",
"properties": {
"type": {
"type": "string"
},
"price": {
"type": "number"
},
"flights": {
"type": "array",
"items": {
"type": "object",
"properties": {
"airline": {
"type": "string"
},
"legroom": {
"type": "string"
},
"airplane": {
"type": "string"
},
"duration": {
"type": "number"
},
"overnight": {
"type": "boolean"
},
"extensions": {
"type": "array",
"items": {
"type": "string"
}
},
"airline_logo": {
"type": "string"
},
"travel_class": {
"type": "string"
},
"flight_number": {
"type": "string"
},
"arrival_airport": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"name": {
"type": "string"
},
"time": {
"type": "string"
}
},
"additionalProperties": false
},
"departure_airport": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"name": {
"type": "string"
},
"time": {
"type": "string"
}
},
"additionalProperties": false
},
"often_delayed_by_over_30_min": {
"type": "boolean"
}
},
"additionalProperties": false
}
},
"layovers": {
"type": "array",
"items": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"name": {
"type": "string"
},
"duration": {
"type": "number"
},
"overnight": {
"type": "boolean"
}
},
"additionalProperties": false
}
},
"extensions": {
"type": "array",
"items": {
"type": "string"
}
},
"airline_logo": {
"type": "string"
},
"total_duration": {
"type": "number"
},
"departure_token": {
"type": "string"
},
"carbon_emissions": {
"type": "object",
"properties": {
"this_flight": {
"type": "number"
},
"difference_percent": {
"type": "number"
},
"typical_for_this_route": {
"type": "number"
}
},
"additionalProperties": false
}
},
"additionalProperties": false
}
},
"price_insights": {
"type": "object",
"properties": {
"price_level": {
"type": "string"
},
"lowest_price": {
"type": "number"
},
"price_history": {
"type": "array",
"items": {
"type": "array",
"items": {
"type": "number"
}
}
},
"typical_price_range": {
"type": "array",
"items": {
"type": "number"
}
}
},
"additionalProperties": false
},
"search_metadata": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"status": {
"type": "string"
},
"created_at": {
"type": "string"
},
"processed_at": {
"type": "string"
},
"json_endpoint": {
"type": "string"
},
"total_time_taken": {
"type": "number"
},
"google_flights_url": {
"type": "string"
}
},
"additionalProperties": false
},
"search_parameters": {
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {}
}
},
"additionalProperties": false
}
}
}
}
}
}
},
"x402Version": 2
}Can I trust it score from our own monitoring
score from our own monitoring
84/100 Solid
#169 of 386 in Data. Bands: strong 93+, solid 75+, mixed 55+, weak below 55.
- Reliability
- 100% uptime 30d
- Compliance
- A 13/13 checks pass
- Price
- $0.0054 to $0.054 p49 in Data
- Risk
- clean no risk flag
- Traction
- $125.65 30d 103 buyers, top buyer 64% (address, not entity)
13/13 compliance checks
- 402 payload captured
- accepts[] array present
- payTo address recoverable
- payTo at accepts[0].payTo (conformant shape)
- payTo is a valid on-chain address
- atomic price declared
- atomic price in a sane range
- asset (token) address declared
- network resolves to CAIP-2
- payment scheme declared
- served over HTTPS
- declares the current x402 version (2)
- EIP-712 domain parameters present on every EVM entry
- x402 v2 envelope delivered in the payment-required header
402 terms unchanged since 2026-09-27. Last up 2026-10-19.
── Site signals
- homepage reachable
- openapi doc
- pricing page
- llms.txt
- robots.txt
- terms page
How the score works
What the score read on this service: status degraded, 100% uptime 30d, 471ms response p95, x402 compliance 13 of 13, $0.0054 price against the category, on-chain traction measured. Each of those is measured, and each is published in full below.
The score comes from our own monitoring, never from reviews, operator claims, or a language model: reliability, x402 compliance, price against the category, a deterministic risk flag, and a small on-chain traction term, weighted by ranking generation 3. It is not placement anyone can buy: the paid verify tier is reported beside it and is not one of its inputs. Every component below stays published and read-only.
Bands on the 0 to 100 measured score: strong at 93 and above, solid from 75, mixed from 55, weak below 55. Price and speed are scored against the whole category field, every listing in it that carries no danger flag, the scored service included, so the score places a service in its own field.
It is a score inside Data, and only there: price and speed are scored against the whole category field, every listing in it that carries no danger flag, the scored service included, which here means 386 listings, this one among them: the same 386 the position above is counted against. When the two differ, the field is the wider one, because a listing we have measured too little of to rank still sits in the field the price and the speed are normalized over. The same service in a different field would read differently. The same engine answers GET /api/v1/best, and asked for a different pool (the whole directory, or another filter) it returns a different number for this service under this same ranking generation. Neither is more correct: they answer different questions, and the methodology states which is which.
Settled via coinbase ($125.64, 6,155 tx) and payAI ($0.004, 1 tx). Traction is a conservative undercount; first settlement seen 2026-02-22.
All measured facts
What it does
Pay-per-request travel API for flight search, award seat availability, hotels, activities, transfers and flight tracking, built on Amadeus, Seats.aero, SerpAPI and FlightAware. No account or API key required.
StableTravel is a listed x402 Data API. Captured payment terms name Base, Solana. Monitoring and settlement figures below describe the observations available to this directory; an unpaid HTTP 402 check does not prove that a paid call will deliver.
Assessment computed at . Latest service check observed at . Service data JSON · Measurement methodology.
Page rendered at . This response time is separate from the observation and computation times attached to each measurement.
Latest endpoint observation: . Latest price capture: . Prices are recorded quotes, not a promise of availability. Token assets and payment terms are listed separately. Endpoint data JSON · Price history JSON · Measurement methodology.
Assessment computed at . Uptime uses the stated daily-rollup window; response times are in milliseconds, compliance is passed/evaluated checks, and traction is a measured settlement floor. The comparison score is out of 100 within this category. Assessment JSON · Measurement methodology.
Observed daily coverage: 2026-09-20 to 2026-10-19 UTC. Daily monitoring and settlement rollups do not expose their computation time; a bucket date is not an update timestamp. Latest settlement in the assessment: . Uptime and response JSON · Volume JSON · Buyers JSON · Measurement methodology.
Ranked from the measured category pool, refreshed at most once a minute. The comparison has no persisted computation timestamp; the assessment time above belongs to this service only. Ranking API documentation · Ranking methodology.
x402 List home · Services · Data
- uptime · latest daily rollup
- 100%
- uptime 7d
- 100%
- uptime 30d
- 100%
- uptime 90d
- 100%
- response p95
- 471ms
- avg response
- 257ms
- total checks
- 2,715
Measured on the unpaid 402 handshake, not the paid call. A service can 402 correctly and still fail after payment.
- price (min)
- $0.0054
- price (max)
- $0.054
- category percentile (min)
- p49 in Data
- category percentile (max)
- p65 in Data
- endpoints / prices
- 10 / 5
- model
- tiered
- stability
- 100%
No deterministic risk flag. Risk fires only on an exact blocklist match, or a reserved-brand name with a mismatched verified payTo. Never from low uptime, a high price, or a model guess.
- domain age
- -
- registrar
- -
- hosting
- custom
- domain created
- ---
Identity facts, not a risk score.
- assessment volume 30d
- $125.65
- exact assessment volume 30d (USD)
- 125.64800000000001
- assessment recorded at (UTC)
- 2026-10-19T08:03:22.408Z
- buyers 30d
- 103
- settlements 30d
- 6,156
- measured since
- 2026-02-22 (start of our harvest window)
- last settlement
- 2026-10-19
- top buyer share
- 64% of 30d volume (address, not entity)
- top 3 buyers share
- 89% of 30d volume (addresses, not entities)
- concentrated volume
- no
- trend 7d vs 30d
- 1.20x the 30d daily rate
- networks
- eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpKuc147dw2N9d
- volume all-time
- $635.00
- settlements all-time
- 29,724
- median settlement 30d
- $0.02
- max settlement 30d
- $0.10
Assessment volume uses the latest 30d assessment. Over time sums daily address snapshots, rounded to cents and refreshed separately. The two sources can differ in timing, precision and shared-address attribution. Amounts use cents for comparison; known sub-cent values keep up to 12 significant digits. The exact stored assessment value is shown above.
Conservative undercount: only USDC settlements via facilitators we measure are counted. A measured floor, not an estimate.
Top buyer share lowers the on-chain traction part of the ranking score behind this page's verdict and /best, by up to half when one address holds all 30d volume. The Recommended and Highest volume sorts of the services list do not use it; they use the Concentrated volume rule instead.
- member since
- 2026-07-20
Recent checks
| Checked at (UTC) | Status | HTTP | Response | Endpoints |
|---|---|---|---|---|
| Online | 402 | 271ms | 4 | |
| Online | 402 | 186ms | 4 | |
| Online | 402 | 158ms | 4 | |
| Online | 402 | 334ms | 4 | |
| Online | 402 | 213ms | 4 | |
| Online | 402 | 342ms | 4 | |
| Online | 402 | 302ms | 4 | |
| Online | 402 | 304ms | 4 | |
| Online | 402 | 202ms | 4 | |
| Online | 402 | 252ms | 4 | |
| Online | 402 | 278ms | 4 | |
| Online | 402 | 280ms | 4 | |
| Online | 402 | 191ms | 4 | |
| Online | 402 | 314ms | 4 | |
| Online | 402 | 374ms | 4 | |
| Online | 402 | 414ms | 4 | |
| Online | 402 | 391ms | 4 | |
| Online | 402 | 297ms | 4 |
Changes0 in 30d
No changes recorded in the last 30 days.
Over time
On-chain volume daily snapshots, USD 30d: $125.65, peak $7.16 on 10-02
volume
Distinct buyers per dayDistinct buyers per day
Uptime 100% on all 29 completed days
- Volume 30d
- $125.65
- Uptime
- 100% on all 29 completed days
More charts
Response time daily average, ms min 161ms, avg 257ms, max 424ms
09-20 to 10-19* UTC
Scores over time
x402 compliance low 13/13, high 13/13
09-20 to 10-19* UTC
Price percentile in Data own low to high; exact values below
09-20 to 10-19* UTC
Site signals present (of 6) own low to high; exact values below
09-20 to 10-19* UTC
Scores: one day per column, 09-20 to 10-19*, on the columns of Response time. Uptime held 100% every day in this window, including any partial day. Daily readings remain in the Uptime strip and Values. The checklist grew from 11 to 14 checks on 2026-07-28, before this window. Pillar lines use their own low and high. Exact dated readings are available in each readout and in Values.
Each series spans only the dates it has data for. Every series is also served as JSON at /api, /scores, /volume and /buyers.
Values
* today so far, partial (UTC).
The uptime summary counts completed UTC days only. The strip, readouts and table retain today's partial reading.
Daily snapshot total, 30d: $125.57, peak $7.16 on 10-02. The visible 30d total in Traction comes from the latest assessment. These sources can differ in their window, refresh time, cent rounding and shared-address attribution.
Daily address snapshots: 2026-09-20 to 2026-10-19 UTC; * today so far, partial (UTC). Daily snapshots store cents. A recorded $0.00 with settlements cannot distinguish exact zero from volume rounded away. Lost precision is unavailable here.
Settlement volume uses the stored USD valuation of tracked payments; it is distinct from token quantities. USD-pegged assets are valued at 1 USD per token in these rollups. The measured settlement floor does not cover all payments to this service.
Assessment history last recorded at . Each UTC day uses its last recorded run; missing readings stay unmeasured. Assessment history JSON · Measurement methodology.
| Day | Volume | Buyers | Settlements | Uptime | Response | Compliance | Price percentile | Site signals |
|---|---|---|---|---|---|---|---|---|
| 2026-09-20 | $0.02 | 3 | 3 | 100% | 313.31ms | 13/13 | p47 | 3/6 |
| 2026-09-21 | $0.25 | 6 | 11 | 100% | 357.83ms | 13/13 | p48 | 3/6 |
| 2026-09-22 | $0.09 | 4 | 5 | 100% | 424.01ms | 13/13 | p48 | 3/6 |
| 2026-09-23 | $3.19 | 4 | 160 | 100% | 365.18ms | 13/13 | p48 | 3/6 |
| 2026-09-24 | $3.12 | 1 | 156 | 100% | 323.71ms | 13/13 | p47 | 3/6 |
| 2026-09-25 | $3.21 | 7 | 163 | 100% | 275.29ms | 13/13 | p47 | 3/6 |
| 2026-09-26 | $3.18 | 3 | 160 | 100% | 386.20ms | 13/13 | p48 | 3/6 |
| 2026-09-27 | $3.36 | 5 | 170 | 100% | 274.51ms | 13/13 | p48 | 3/6 |
| 2026-09-28 | $3.82 | 9 | 187 | 100% | 248.02ms | 13/13 | p48 | 3/6 |
| 2026-09-29 | $5.08 | 10 | 253 | 100% | 242.96ms | 13/13 | p49 | 3/6 |
| 2026-09-30 | $1.89 | 13 | 85 | 100% | 241.07ms | 13/13 | p49 | 3/6 |
| 2026-10-01 | $5.26 | 10 | 266 | 100% | 211.37ms | 13/13 | p49 | 3/6 |
| 2026-10-02 | $7.16 | 10 | 358 | 100% | 188.07ms | 13/13 | p49 | 3/6 |
| 2026-10-03 | $4.47 | 5 | 215 | 100% | 165.01ms | 13/13 | p49 | 3/6 |
| 2026-10-04 | $4.88 | 10 | 236 | 100% | 161.28ms | 13/13 | p50 | 3/6 |
| 2026-10-05 | $4.83 | 9 | 255 | 100% | 194.91ms | 13/13 | p50 | 3/6 |
| 2026-10-06 | $6.53 | 7 | 319 | 100% | 267.64ms | 13/13 | p50 | 3/6 |
| 2026-10-07 | $5.44 | 11 | 266 | 100% | 275.87ms | 13/13 | p49 | 3/6 |
| 2026-10-08 | $5.67 | 13 | 274 | 100% | 276.42ms | 13/13 | p50 | 3/6 |
| 2026-10-09 | $5.42 | 6 | 259 | 100% | 231.54ms | 13/13 | p50 | 3/6 |
| 2026-10-10 | $4.80 | 6 | 228 | 100% | 220.50ms | 13/13 | p50 | 3/6 |
| 2026-10-11 | $4.69 | 4 | 222 | 100% | 278.27ms | 13/13 | p50 | 3/6 |
| 2026-10-12 | $5.14 | 10 | 246 | 100% | 219.33ms | 13/13 | p50 | 3/6 |
| 2026-10-13 | $5.03 | 12 | 241 | 100% | 192.76ms | 13/13 | p50 | 3/6 |
| 2026-10-14 | $5.54 | 9 | 268 | 100% | 178.94ms | 13/13 | p49 | 3/6 |
| 2026-10-15 | $5.45 | 8 | 265 | 100% | 187.11ms | 13/13 | p49 | 3/6 |
| 2026-10-16 | $5.04 | 8 | 241 | 100% | 186.53ms | 13/13 | p49 | 3/6 |
| 2026-10-17 | $5.67 | 7 | 272 | 100% | 233.62ms | 13/13 | p49 | 3/6 |
| 2026-10-18 | $4.15 | 9 | 206 | 100% | 291.63ms | 13/13 | p49 | 3/6 |
| 2026-10-19* | $3.19 | 5 | 163 | 100% | 310.95ms | 13/13 | p49 | 3/6 |
Alternatives in Data
5 of 385 other ranked services in Data, ordered by the same measured score.
Own this service?
Keep this listing accurate. Ownership is proven with a domain check and every change is reviewed by hand.
Update this listingEarn the verified tier: x402list pays a real call to this endpoint and, if it delivers, the service is delivery-verified. The fee covers the cost of the probe, not the badge; there is no refund if the call does not deliver. Agent and API only, no in-browser signing. See /api.
Verify this service ($0.25)Embed a badge
HTML
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Markdown
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HTML, live uptime variant
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Delisting
To request delisting, email info@x402-list.com or update your listing at /services/stabletravel/update.