x402 List

x402 Protocol Service Directory

●

Fly Labs Agentic Market

Data

Pay-per-call data APIs for AI agents. YouTube transcripts and engagement data settled in USDC on Base via x402. Versioned JSON schemas, no signup, no keys. Coinbase CDP facilitator.

Pay from $0.02 to $0.03 per request in USDC on Base, settled onchain via the x402 protocol, no signup, no API key needed.

first settlement 2026-04-21 · $0.10 all-time · last settled 2026-04-21

BASE URL https://flylabs.fun │ WEBSITE https://flylabs.fun/agents │ ENDPOINTS 2 │ NETWORK Base │ ASSET USDC │ MEMBER SINCE 2026-04-28 │ MONITORED SINCE 2026-04-28

ASSESSMENT

updated 2h ago

Evidence-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
84.7%
response p95
1515ms
avg response
710ms
total checks
2,739
compliance A (14/14)

14 of 14 x402 conformance checks pass. Full checklist below.

jump to compliance checklist

price $0.02 to $0.03 (p74 in Data)
price (min)
$0.02
price (max)
$0.03
category percentile (min)
p74 in Data
category percentile (max)
p58 in Data
endpoints / prices
2 / 2
model
tiered
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.

domain age
-
registrar
-
hosting
custom
domain created
---

Identity facts, not a risk score.

traction $0 30d · 0 buyers
volume 30d
$0
buyers 30d
0
settlements 30d
0
first settlement
2026-04-21
last settlement
2026-04-21
top buyer share
-
trend 7d vs 30d
-
networks
eip155:8453
volume all-time
$0.10
settlements all-time
4
median settlement 30d
$0
max settlement 30d
$0
settled via
-

Conservative undercount: only USDC settlements via facilitators we measure are counted. A measured floor, not an estimate.

Top buyer share is a concentration signal, not part of the ranking score.

WHAT IT DOES

ai-derived

Provides APIs for AI agents to access YouTube engagement data and transcripts

category
youtube-api
in
body
auth
none
youtubetranscriptsengagementai-agents

AI-generated summary. The measured data is never altered by it.

ENDPOINTS

Service endpoints with HTTP method, path, description, pricing, and network
METHOD PATH DESCRIPTION PRICE NETWORK ASSET
POST /api/agents/engagement YouTube engagement data $0.02 Base USDC
POST /api/agents/transcribe YouTube transcripts $0.03 Base USDC
2 endpoints

REQUEST / RESPONSE EXAMPLE

An unpaid request to POST /api/agents/engagement returns HTTP 402 with the payment terms. Settle onchain via your facilitator, then retry with the X-Payment header.

// request
curl -i -X POST 'https://flylabs.fun/api/agents/engagement'
// 402 response (captured by monitor) · 2 payloads · click to expand 
[
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0xb92ad8e7B178821741BB410c0D8c575aeaa10f3b",
        "amount": "20000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://flylabs.fun/api/agents/engagement",
      "mimeType": "application/json",
      "description": "YouTube engagement data for agents. POST { url } or { videoId } and get a stable JSON payload with view/like/comment counts, derived ratios (likeToView, commentToView) and a composite engagementScore, channel info (id, name, url, subscriberCount), and full video context (title, description, tags, categories, publishedAt, durationSec, availability, liveStatus, thumbnailUrl). Any public video. Cached for 6 hours so repeat lookups are instant; fresh numbers after the TTL. Schema versioned (v1.0) and stable."
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "url": "https://youtube.com/watch?v=dQw4w9WgXcQ"
            },
            "type": "http",
            "method": "POST",
            "bodyType": "json"
          },
          "output": {
            "type": "json",
            "example": {
              "stats": {
                "likeCount": 18000000,
                "viewCount": 1500000000,
                "engagementScore": 1.5
              },
              "source": "ytdlp",
              "videoId": "dQw4w9WgXcQ",
              "schema_version": "1.0"
            }
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "properties": {
                "body": {
                  "type": "object",
                  "properties": {
                    "url": {
                      "type": "string",
                      "description": "Full YouTube URL (watch, shorts, youtu.be, embed)."
                    },
                    "videoId": {
                      "type": "string",
                      "pattern": "^[a-zA-Z0-9_-]{11}$",
                      "description": "11-character YouTube video ID."
                    }
                  },
                  "description": "Provide either url or videoId (11-char YouTube video ID)."
                },
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                }
              },
              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {
                  "type": "object",
                  "required": [
                    "schema_version",
                    "videoId",
                    "source",
                    "stats"
                  ],
                  "properties": {
                    "url": {
                      "type": "string"
                    },
                    "stats": {
                      "type": "object",
                      "properties": {
                        "likeCount": {
                          "type": "integer"
                        },
                        "viewCount": {
                          "type": "integer"
                        },
                        "commentCount": {
                          "type": "integer"
                        },
                        "engagementScore": {
                          "type": "number"
                        }
                      }
                    },
                    "video": {
                      "type": "object"
                    },
                    "source": {
                      "enum": [
                        "ytdlp",
                        "cache"
                      ],
                      "type": "string"
                    },
                    "channel": {
                      "type": "object"
                    },
                    "videoId": {
                      "type": "string"
                    },
                    "schema_version": {
                      "type": "string"
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  },
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0xb92ad8e7B178821741BB410c0D8c575aeaa10f3b",
        "amount": "30000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://flylabs.fun/api/agents/transcribe",
      "mimeType": "application/json",
      "description": "YouTube transcripts for agents. POST { url } or { videoId } and get a stable JSON payload: full transcript text, language, duration, word count, time-indexed paragraphs (startSec/endSec), creator-defined chapters, and canonical metadata (title, channel, publishedAt ISO-8601, viewCount). Any public video, any language, any length. Verbatim captions when available, Whisper-transcribed audio otherwise. No hallucinations, no summaries, no LLM rewrites, just the source. Schema versioned (v1.0) and stable. Cached after first fetch so repeat lookups are instant."
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "url": "https://youtube.com/watch?v=dQw4w9WgXcQ"
            },
            "type": "http",
            "method": "POST",
            "bodyType": "json"
          },
          "output": {
            "type": "json",
            "example": {
              "source": "youtube_subs",
              "videoId": "dQw4w9WgXcQ",
              "transcript": {
                "text": "...",
                "language": "en",
                "wordCount": 1234,
                "durationSec": 212
              },
              "schema_version": "1.0"
            }
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "properties": {
                "body": {
                  "type": "object",
                  "properties": {
                    "url": {
                      "type": "string",
                      "description": "Full YouTube URL (watch, shorts, youtu.be, embed)."
                    },
                    "videoId": {
                      "type": "string",
                      "pattern": "^[a-zA-Z0-9_-]{11}$",
                      "description": "11-character YouTube video ID."
                    }
                  },
                  "description": "Provide either url or videoId (11-char YouTube video ID)."
                },
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                }
              },
              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {
                  "type": "object",
                  "required": [
                    "schema_version",
                    "videoId",
                    "source",
                    "transcript"
                  ],
                  "properties": {
                    "url": {
                      "type": "string"
                    },
                    "source": {
                      "enum": [
                        "youtube_subs",
                        "groq_whisper",
                        "cache"
                      ],
                      "type": "string"
                    },
                    "videoId": {
                      "type": "string"
                    },
                    "chapters": {
                      "type": "array"
                    },
                    "metadata": {
                      "type": "object"
                    },
                    "paragraphs": {
                      "type": "array"
                    },
                    "transcript": {
                      "type": "object",
                      "properties": {
                        "text": {
                          "type": "string"
                        },
                        "language": {
                          "type": "string"
                        },
                        "wordCount": {
                          "type": "integer"
                        },
                        "durationSec": {
                          "type": "integer"
                        }
                      }
                    },
                    "schema_version": {
                      "type": "string"
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  }
]

OVER TIME

All charts share the 30d window selected here. Every series is also served as JSON at /api/v1/services/fly-labs-agentic-market/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). The on-chain series roll up hourly, so the latest day can be up to about an hour behind; distinct buyers are counted per payout address, so a service that settles to more than one address is an upper bound.

UPTIME
06-29 · uptime 100.0% · 903ms avg06-30 · uptime 100.0% · 880ms avg07-01 · uptime 100.0% · 870ms avg07-02 · uptime 100.0% · 848ms avg07-03 · uptime 100.0% · 738ms avg07-04 · uptime 100.0% · 704ms avg07-05 · uptime 100.0% · 703ms avg07-06 · uptime 100.0% · 724ms avg07-07 · uptime 100.0% · 837ms avg07-08 · uptime 100.0% · 681ms avg07-09 · uptime 100.0% · 665ms avg07-10 · uptime 100.0% · 611ms avg07-11 · uptime 100.0% · 651ms avg07-12 · uptime 100.0% · 667ms avg07-13 · uptime 100.0% · 686ms avg07-14 · uptime 100.0% · 617ms avg07-15 · uptime 100.0% · 860ms avg07-16 · uptime 100.0% · 843ms avg07-17 · uptime 100.0% · 700ms avg07-18 · uptime 100.0% · 584ms avg07-19 · uptime 100.0% · 520ms avg07-20 · uptime 100.0% · 562ms avg07-21 · uptime 100.0% · 615ms avg07-22 · uptime 100.0% · 527ms avg07-23 · uptime 100.0% · 609ms avg07-24 · uptime 100.0% · 667ms avg07-25 · uptime 100.0% · 666ms avg07-26 · uptime 100.0% · 700ms avg07-27 · uptime 100.0% · 904ms avg07-28 · uptime 100.0% · 697ms avg06-2907-28
30d UPTIME 100%
RESPONSE TIME
06-29 · 903ms avg06-29 · 903ms avg06-30 · 880ms avg06-30 · 880ms avg07-01 · 870ms avg07-01 · 870ms avg07-02 · 848ms avg07-02 · 848ms avg07-03 · 738ms avg07-03 · 738ms avg07-04 · 704ms avg07-04 · 704ms avg07-05 · 703ms avg07-05 · 703ms avg07-06 · 724ms avg07-06 · 724ms avg07-07 · 837ms avg07-07 · 837ms avg07-08 · 681ms avg07-08 · 681ms avg07-09 · 665ms avg07-09 · 665ms avg07-10 · 611ms avg07-10 · 611ms avg07-11 · 651ms avg07-11 · 651ms avg07-12 · 667ms avg07-12 · 667ms avg07-13 · 686ms avg07-13 · 686ms avg07-14 · 617ms avg07-14 · 617ms avg07-15 · 860ms avg07-15 · 860ms avg07-16 · 843ms avg07-16 · 843ms avg07-17 · 700ms avg07-17 · 700ms avg07-18 · 584ms avg07-18 · 584ms avg07-19 · 520ms avg07-19 · 520ms avg07-20 · 562ms avg07-20 · 562ms avg07-21 · 615ms avg07-21 · 615ms avg07-22 · 527ms avg07-22 · 527ms avg07-23 · 609ms avg07-23 · 609ms avg07-24 · 667ms avg07-24 · 667ms avg07-25 · 666ms avg07-25 · 666ms avg07-26 · 700ms avg07-26 · 700ms avg07-27 · 904ms avg07-27 · 904ms avg07-28 · 697ms avg07-28 · 697ms avg06-2907-28
AVG RESP 710ms
PRICE (captured 402, USD)
06-28 · $0.0307-28 · $0.03$0.0306-2807-28

Median across 2 endpoints. Use the selector to isolate one.

SUB-SCORES (uptime + x402 compliance)
07-13 uptime: 100.0% compliance: 92% checks07-14 uptime: 100.0% compliance: 92% checks07-15 uptime: 100.0% compliance: 92% checks07-16 uptime: 100.0% compliance: 92% checks07-17 uptime: 100.0% compliance: 100% checks07-18 uptime: 100.0% compliance: 100% checks07-19 uptime: 100.0% compliance: 100% checks07-20 uptime: 100.0% compliance: 100% checks07-21 uptime: 100.0% compliance: 100% checks07-22 uptime: 100.0% compliance: 100% checks07-23 uptime: 100.0% compliance: 100% checks07-24 uptime: 100.0% compliance: 100% checks07-25 uptime: 100.0% compliance: 100% checks07-26 uptime: 100.0% compliance: 100% checks07-27 uptime: 100.0% compliance: 100% checks07-28 uptime: 100.0% compliance: 100% checksuptimecompliance07-1307-28
VOLUME (on-chain settlement, USD)
no on-chain volume yet
DISTINCT BUYERS
no distinct buyers yet

COMPLIANCE

14/14 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
  • declares the current x402 version (2)
  • EIP-712 domain parameters present on every EVM entry
  • x402 v2 envelope delivered in the payment-required header

SITE PILLARS

  • homepage reachable
  • openapi doc
  • pricing page
  • llms.txt
  • robots.txt
  • terms page
recent checks (18) · click to expand
TIME STATUS RESP
● SLOW 1820ms
● OK 488ms
● SLOW 1544ms
● OK 1023ms
● OK 446ms
● OK 513ms
● OK 848ms
● OK 182ms
● OK 805ms
● OK 550ms
● SLOW 1666ms
● OK 638ms
● SLOW 1395ms
● OK 501ms
● OK 981ms
● OK 852ms
● OK 206ms
● OK 223ms
18 of 2,749 checks

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