Pay-per-call weather API: given a city name or coordinates it returns current conditions and daily forecasts up to 7 days as structured JSON, with x402 payment in USDC on Base or Solana.
Pay from $0.01 per request in USDC on Base / Solana, settled onchain via the x402 protocol, no signup, no API key needed.
ASSESSMENT
updated 50m agoEvidence-backed signals, not a single score. Click any chip for the proof. Measured values stay read-only; unknown is honest.
reliability 100%
- uptime 24h
- 100%
- uptime 7d
- 100%
- uptime 30d
- 100%
- uptime 90d
- 100%
- response p95
- 945ms
- avg response
- 670ms
- total checks
- 70
compliance A (11/11)
11 of 11 x402 conformance checks pass. Full checklist below.
price $0.01 (p62 in Data)
- price (min)
- $0.01
- category percentile (min)
- p62 in Data
- endpoints / prices
- 2 / 1
- model
- flat
- stability
- 100%
risk clean
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.
traction $8.76 30d · 49 buyers
- volume 30d
- $8.76
- buyers 30d
- 49
- settlements 30d
- 539
- last settlement
- 2026-07-21
- top buyer share
- 32% of 30d volume
- trend 7d vs 30d
- 0.62x the 30d daily rate
- networks
- eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpKuc147dw2N9d
Attributed pro-quota: this payout address is shared, so volume and buyers are the operator-level figure divided by the services sharing it. A declared convention, not an individually observed measure, and still a conservative undercount.
Top buyer share is a concentration signal, not part of the ranking score.
WHAT IT DOES
ai-derivedProvides current weather conditions and daily forecasts for any city worldwide in structured JSON format.
- category
- weather
- in
- query params
- auth
- none
AI-generated summary. The measured data is never altered by it.
ENDPOINTS
| METHOD | PATH | DESCRIPTION | PRICE | NETWORK | ASSET |
|---|---|---|---|---|---|
| GET | /weather/current | $0.01 | Base/Solana | USDC | |
| GET | /weather/forecast | $0.01 | Base/Solana | USDC |
REQUEST / RESPONSE EXAMPLE
An unpaid request to GET /weather/current returns HTTP 402 with the payment terms. Settle onchain via your facilitator, then retry with the X-Payment header.
curl -i 'https://weather.hugen.tokyo/weather/current'
// 402 response (captured by monitor) · 2 payloads · click to expand
[
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x29322Ea7EcB34aA6164cb2ddeB9CE650902E4f60",
"amount": "10000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
},
"payTo": "4du4AfkjJEwch2zk3shkPJVZfyJHNDnNjEWC6AboaS5Z",
"amount": "10000",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://weather.hugen.tokyo/weather/current",
"mimeType": "application/json",
"description": "Instant weather by city name — temperature, feels-like, humidity, wind speed, precipitation, and condition. Just pass a city name; geocoding, data fetching, and response structuring are handled in one call. Global coverage updated every 15 minutes. No API keys, no geocoding setup, no rate limits. Accepts USDC payments on Base and Solana"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"city": "Tokyo"
}
},
"output": {
"type": "json",
"example": {
"city": "Tokyo",
"condition": "Partly cloudy",
"humidity_pct": 65,
"temperature_c": 12.5,
"wind_speed_kmh": 15.3
}
}
},
"tags": [
"weather",
"forecast",
"real-time",
"geocoding"
],
"schema": {
"properties": {
"input": {
"required": [
"method"
]
}
}
},
"category": "weather",
"discoverable": true
}
},
"x402Version": 2
},
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x29322Ea7EcB34aA6164cb2ddeB9CE650902E4f60",
"amount": "10000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
},
"payTo": "4du4AfkjJEwch2zk3shkPJVZfyJHNDnNjEWC6AboaS5Z",
"amount": "10000",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://weather.hugen.tokyo/weather/forecast",
"mimeType": "application/json",
"description": "Daily weather forecast (1-7 days) by city name — max/min temperature, precipitation amount and probability, peak wind speed per day. Automatic geocoding from city name to coordinates. Structured JSON ready for immediate use in agent workflows. No API keys, no coordinate lookups, no setup needed. Accepts USDC payments on Base and Solana"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"city": "Tokyo",
"days": "3"
}
},
"output": {
"type": "json",
"example": {
"city": "Tokyo",
"days": [
{
"date": "2026-02-21",
"condition": "Slight rain",
"temp_max_c": 15.2,
"temp_min_c": 8.1,
"weather_code": 61,
"wind_max_kmh": 22,
"precipitation_mm": 12.5,
"precipitation_probability_pct": 85
}
],
"country": "Japan",
"latitude": 35.6895,
"longitude": 139.6917
}
}
},
"tags": [
"weather",
"forecast",
"7-day",
"daily"
],
"schema": {
"properties": {
"input": {
"required": [
"method"
]
}
}
},
"category": "weather",
"discoverable": true
}
},
"x402Version": 2
}
] UPTIME
RECENT CHECKS
OVER TIME
All charts share the 7d window selected here. Every series is also served as JSON at /api/v1/services/hugen-weather-api/price, /scores, /volume and /buyers. On-chain volume and distinct buyers are measured over the service's settlement address and are a conservative undercount (only settlements that reach a measured facilitator are counted).
Median across 2 endpoints. Use the selector to isolate one.
Shared payout address (9 other services). These bars are the full shared address (operator-level), so do not sum them across the services that share it. Where a per-service figure is attributed, the assessment block and the ranking, it is the address total divided pro-quota by the 10 services sharing it: a declared convention, not an individually observed measure.
Shared payout address (9 other services). These bars are the full shared address (operator-level), so do not sum them across the services that share it. Where a per-service buyer count is attributed, the assessment block and the ranking, it is divided pro-quota by the 10 services sharing the address and can be fractional: a declared convention, not an individually observed measure.
COMPLIANCE
11/11 checks pass · grade A- 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
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