x402 List

x402 Protocol Service Directory

●

Agent Web Reader (x402)

Data ✓ VERIFIED

verified until 2026-08-17

Pay-per-call MCP server: crypto market signals, clean web-page text extraction, and GitHub repo SEO audits. USDC settlement via x402. Three paid tools at 0.005 USD each.

Pay from $0.002 to $0.005 per request in USDC on Base, settled onchain via the x402 protocol, no signup, no API key needed.

first settlement 2026-07-01 · $0.11 all-time · settled via coinbase

BASE URL https://x402.charliemorrison.dev │ WEBSITE https://github.com/charlie-morrison/x402-agent-data │ ENDPOINTS 3 │ NETWORK Base │ ASSET USDC │ MEMBER SINCE 2026-06-25 │ MONITORED SINCE 2026-06-25

ASSESSMENT

updated 11m 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
100%
response p95
656ms
avg response
467ms
total checks
2,775

Measured on the unpaid 402 handshake, not the paid call. A service can 402 correctly and still fail after payment.

compliance A (14/14)

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

jump to compliance checklist

price $0.002 to $0.005 (p21 in Data)
price (min)
$0.002
price (max)
$0.005
category percentile (min)
p21 in Data
category percentile (max)
p13 in Data
endpoints / prices
3 / 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 $0.064 30d · 8 buyers
volume 30d
$0.064
buyers 30d
8
settlements 30d
17
first settlement
2026-07-01
last settlement
2026-08-10
top buyer share
33% of 30d volume
trend 7d vs 30d
1.07x the 30d daily rate
networks
eip155:8453
volume all-time
$0.11
settlements all-time
23
median settlement 30d
$0.005
max settlement 30d
$0.005
settled via
coinbase

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 data tools for AI agents including crypto market signals, web content extraction, and GitHub repository SEO audits

category
data-tools
auth
none
cryptoweb-scrapingseodata-extraction

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 402 CHANNEL
GET /audit $0.005 Base USDC header
GET /extract $0.002 Base USDC header
GET /signal $0.005 Base USDC header
3 endpoints

REQUEST / RESPONSE EXAMPLE

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

// request
curl -i 'https://x402.charliemorrison.dev/audit'
// 402 response (captured by monitor) · 3 payloads · click to expand 
[
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x435afaC555fe115f18e657E49960063c12C6AEd0",
        "amount": "5000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 60
      }
    ],
    "resource": {
      "url": "https://x402.charliemorrison.dev/signal",
      "tags": [
        "crypto",
        "market-data",
        "price",
        "signal",
        "trading",
        "data",
        "agent-tools"
      ],
      "mimeType": "application/json",
      "description": "Structured crypto market signal: for each CoinGecko id return price, market cap, 24h change, 24h volume, plus a derived momentum score (-100..100), a bullish/neutral/bearish signal, and a volatility flag — enriched data an agent ingests in a trading/research loop without computing it itself. Input: ids (comma-separated).",
      "serviceName": "crypto-market-signal"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "ids": "bitcoin,ethereum,solana"
            }
          },
          "output": {
            "type": "json",
            "example": {
              "count": 1,
              "assets": [
                {
                  "id": "bitcoin",
                  "signal": "neutral",
                  "momentum": 31,
                  "price_usd": 65000,
                  "volatility": "calm",
                  "change_24h_pct": 1.6
                }
              ],
              "source": "coingecko"
            }
          }
        },
        "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"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "type": "object",
                  "required": [
                    "ids"
                  ],
                  "properties": {
                    "ids": {
                      "type": "string",
                      "description": "Comma-separated CoinGecko ids, max 25"
                    }
                  }
                }
              },
              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {
                  "type": "object",
                  "properties": {
                    "count": {
                      "type": "number"
                    },
                    "assets": {
                      "type": "array",
                      "items": {
                        "type": "object"
                      }
                    },
                    "source": {
                      "type": "string"
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  },
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x435afaC555fe115f18e657E49960063c12C6AEd0",
        "amount": "2000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 60
      }
    ],
    "resource": {
      "url": "https://x402.charliemorrison.dev/extract",
      "tags": [
        "reader",
        "scraping",
        "rag",
        "web",
        "data",
        "agent-tools"
      ],
      "mimeType": "application/json",
      "description": "Web-content reader: fetch any http(s) URL and return clean readable text, title/description/canonical, and outbound links as JSON — the data an agent ingests on each step of a crawl or RAG loop. Input: url.",
      "serviceName": "agent-web-reader"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "url": "https://example.com/article"
            }
          },
          "output": {
            "type": "json",
            "example": {
              "kind": "html",
              "text": "…",
              "links": [],
              "title": "Example",
              "word_count": 120
            }
          }
        },
        "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"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "type": "object",
                  "required": [
                    "url"
                  ],
                  "properties": {
                    "url": {
                      "type": "string",
                      "description": "Absolute http(s) URL to fetch and extract"
                    }
                  }
                }
              },
              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {
                  "type": "object",
                  "properties": {
                    "kind": {
                      "type": "string"
                    },
                    "text": {
                      "type": "string"
                    },
                    "links": {
                      "type": "array",
                      "items": {
                        "type": "string"
                      }
                    },
                    "title": {
                      "type": "string"
                    },
                    "word_count": {
                      "type": "number"
                    },
                    "description": {
                      "type": "string"
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  },
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x435afaC555fe115f18e657E49960063c12C6AEd0",
        "amount": "5000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 60
      }
    ],
    "resource": {
      "url": "https://x402.charliemorrison.dev/audit",
      "tags": [
        "github",
        "seo",
        "audit",
        "developer-tools"
      ],
      "mimeType": "application/json",
      "description": "GitHub repo discoverability & SEO audit: scores a repo's README, description, topics, homepage and metadata and returns a 0-100 score, a grade, and fixes. Input: owner, repo.",
      "serviceName": "github-repo-seo-audit"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "repo": "react",
              "owner": "facebook"
            }
          },
          "output": {
            "type": "json",
            "example": {
              "fixes": [],
              "grade": "A",
              "score": 100
            }
          }
        },
        "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"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "type": "object",
                  "required": [
                    "owner",
                    "repo"
                  ],
                  "properties": {
                    "repo": {
                      "type": "string"
                    },
                    "owner": {
                      "type": "string"
                    }
                  }
                }
              },
              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {
                  "type": "object",
                  "properties": {
                    "fixes": {
                      "type": "array",
                      "items": {
                        "type": "string"
                      }
                    },
                    "grade": {
                      "type": "string"
                    },
                    "score": {
                      "type": "number"
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  }
]

OVER TIME

All charts use the 30d selector; each series spans only the dates it has data for. Every series is also served as JSON at /api/v1/services/agent-web-reader-x402/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
07-12 · uptime 100.0% · 364ms avg07-13 · uptime 100.0% · 393ms avg07-14 · uptime 100.0% · 382ms avg07-15 · uptime 100.0% · 428ms avg07-16 · uptime 100.0% · 469ms avg07-17 · uptime 100.0% · 345ms avg07-18 · uptime 100.0% · 485ms avg07-19 · uptime 100.0% · 439ms avg07-20 · uptime 100.0% · 408ms avg07-21 · uptime 100.0% · 386ms avg07-22 · uptime 100.0% · 374ms avg07-23 · uptime 100.0% · 347ms avg07-24 · uptime 100.0% · 411ms avg07-25 · uptime 100.0% · 429ms avg07-26 · uptime 100.0% · 363ms avg07-27 · uptime 100.0% · 473ms avg07-28 · uptime 100.0% · 506ms avg07-29 · uptime 100.0% · 450ms avg07-30 · uptime 100.0% · 488ms avg07-31 · uptime 100.0% · 496ms avg08-01 · uptime 100.0% · 558ms avg08-02 · uptime 100.0% · 564ms avg08-03 · uptime 98.9% · 599ms avg08-04 · uptime 100.0% · 502ms avg08-05 · uptime 100.0% · 674ms avg08-06 · uptime 100.0% · 697ms avg08-07 · uptime 100.0% · 536ms avg08-08 · uptime 100.0% · 534ms avg08-09 · uptime 100.0% · 507ms avg08-10 · uptime 100.0% · 476ms avg07-1208-10
30d UPTIME 100%
RESPONSE TIME
07-12 · 364ms avg07-12 · 364ms avg07-13 · 393ms avg07-13 · 393ms avg07-14 · 382ms avg07-14 · 382ms avg07-15 · 428ms avg07-15 · 428ms avg07-16 · 469ms avg07-16 · 469ms avg07-17 · 345ms avg07-17 · 345ms avg07-18 · 485ms avg07-18 · 485ms avg07-19 · 439ms avg07-19 · 439ms avg07-20 · 408ms avg07-20 · 408ms avg07-21 · 386ms avg07-21 · 386ms avg07-22 · 374ms avg07-22 · 374ms avg07-23 · 347ms avg07-23 · 347ms avg07-24 · 411ms avg07-24 · 411ms avg07-25 · 429ms avg07-25 · 429ms avg07-26 · 363ms avg07-26 · 363ms avg07-27 · 473ms avg07-27 · 473ms avg07-28 · 506ms avg07-28 · 506ms avg07-29 · 450ms avg07-29 · 450ms avg07-30 · 488ms avg07-30 · 488ms avg07-31 · 496ms avg07-31 · 496ms avg08-01 · 558ms avg08-01 · 558ms avg08-02 · 564ms avg08-02 · 564ms avg08-03 · 599ms avg08-03 · 599ms avg08-04 · 502ms avg08-04 · 502ms avg08-05 · 674ms avg08-05 · 674ms avg08-06 · 697ms avg08-06 · 697ms avg08-07 · 536ms avg08-07 · 536ms avg08-08 · 534ms avg08-08 · 534ms avg08-09 · 507ms avg08-09 · 507ms avg08-10 · 476ms avg08-10 · 476ms avg07-1208-10
AVG RESP 467ms
PRICE (captured 402, USD)
07-11 · $0.00508-10 · $0.005$0.00507-1108-10

Median across 3 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% checks07-29 uptime: 100.0% compliance: 100% checks07-30 uptime: 100.0% compliance: 100% checks07-31 uptime: 100.0% compliance: 100% checks08-01 uptime: 100.0% compliance: 100% checks08-02 uptime: 100.0% compliance: 100% checks08-03 uptime: 100.0% compliance: 100% checks08-04 uptime: 100.0% compliance: 100% checks08-05 uptime: 100.0% compliance: 100% checks08-06 uptime: 100.0% compliance: 100% checks08-07 uptime: 100.0% compliance: 100% checks08-08 uptime: 100.0% compliance: 100% checks08-09 uptime: 100.0% compliance: 100% checks08-10 uptime: 100.0% compliance: 100% checksuptimecompliance07-1308-10

checklist grew 11->14 on 2026-07-28; a step here is a metric change, not a regression

PILLARS OVER TIME (measured)
price percentile in Data
site signals present (of 6)

Measured site and economics pillars from the assessment history, so the latest value shown elsewhere on this page reads as a point on a trend rather than a permanent state.

VOLUME (on-chain settlement, USD)
07-15 · $0.0107-19 · $0.0107-20 · $0.0007-21 · $0.0107-22 · $0.0107-25 · $0.0007-26 · $0.0007-28 · $0.0108-01 · $0.0108-07 · $0.0108-08 · $0.0008-10 · $0.01peak $0.0107-1508-10
DISTINCT BUYERS
07-15 · 1 buyer07-19 · 1 buyer07-20 · 1 buyer07-21 · 1 buyer07-22 · 1 buyer07-25 · 1 buyer07-26 · 1 buyer07-28 · 1 buyer08-01 · 1 buyer08-07 · 1 buyer08-08 · 1 buyer08-10 · 1 buyerpeak 1 buyer07-1508-10

COMPLIANCE

14/14 checks pass · grade A

last 402 captured 2026-07-13 · last up 2026-08-10

  • 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) live · click to expand
TIME STATUS RESP CAUSE
● OK 647ms
● OK 660ms
● OK 588ms
● OK 617ms
● SLOW 776ms
● OK 613ms
● OK 656ms
● OK 535ms
● OK 643ms
● OK 564ms
● OK 510ms
● OK 440ms
● OK 355ms
● OK 354ms
● OK 234ms
● OK 329ms
● OK 419ms
● OK 440ms
18 of 2,776 checks · live count

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