docs-changelog

Name: docs-changelog
Price: 0.008 USDC
Availability: InStock

Version-delta changelog for a library between two versions. Give an ecosystem, package name and from_version and to_version and get the GitHub release notes in that range, the registry versions between them, and surfaced breaking-change markers. Built for agents deciding whether an upgrade is safe.

OtherLiveeip155:8453Exactvia cdp

https://api.agentstools.dev/docs/changelog

DocsChangelogRelease-notesVersionUpgrade

Calls · 30d

1→ 0%

This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 24 snapshots so far.

$42.93

Verified settled volume

3,783 settlements proven x402 by their on-chain EIP-3009 marker.

$0.0080

Listed price

As published in the catalog. Always read the live 402 before paying.

Calls · 30d

Upstream's own call count for this endpoint, not ours.

Unique payers · 30d

Last called 2026-08-17 09:54Z

—

Upstream on-chain volume

Reported by the source catalog.

Paid to

0xF22e558a00D91Ee12A1F50C52186FecB8dDFf493

The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.

Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Provider

The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xF22e558a00D91Ee12A1F50C52186FecB8dDFf493",
      "amount": "8000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://api.agentstools.dev/docs/changelog",
    "tags": [
      "docs",
      "changelog",
      "release-notes",
      "version",
      "upgrade",
      "breaking-changes",
      "coding-agent",
      "diff",
      "npm",
      "pypi",
      "crates",
      "github"
    ],
    "mimeType": "application/json",
    "description": "Version-delta changelog for a library between two versions. Give an ecosystem, package name and from_version and to_version and get the GitHub release notes in that range, the registry versions between them, and surfaced breaking-change markers. Built for agents deciding whether an upgrade is safe.",
    "serviceName": "docs-changelog"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "name": "react",
            "ecosystem": "npm",
            "to_version": "19.0.0",
            "from_version": "18.0.0"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "found": true,
            "identity": {
              "name": "react",
              "ecosystem": "npm",
              "latest_version": "19.0.0"
            },
            "releases": [
              {
                "notes": "React 19 release notes...",
                "version": "v19.0.0",
                "has_breaking": true,
                "published_at": "2024-12-05T00:00:00Z",
                "breaking_markers": [
                  "removed"
                ]
              }
            ],
            "available": true,
            "to_version": "19.0.0",
            "attribution": [
              "GitHub REST API (github.com)."
            ],
            "from_version": "18.0.0",
            "breaking_changes": [
              "v19.0.0"
            ],
            "versions_between": [
              "18.2.0",
              "18.3.1",
              "19.0.0"
            ]
          }
        }
      },
      "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",
                "required": [
                  "name",
                  "ecosystem",
                  "from_version",
                  "to_version"
                ],
                "properties": {
                  "name": {
                    "type": "string",
                    "description": "Package name; for github pass owner/repo such as coinbase/x402. npm scoped names @scope/name are allowed."
                  },
                  "ecosystem": {
                    "enum": [
                      "npm",
                      "pypi",
                      "crates",
                      "github"
                    ],
                    "type": "string",
                    "description": "Package ecosystem. Aliases accepted: pip and python map to pypi; cargo and rust map to crates; node maps to npm; gh maps to github."
                  },
                  "to_version": {
                    "type": "string",
                    "description": "Upper bound version, such as 19.0.0 (inclusive)."
                  },
                  "from_version": {
                    "type": "string",
                    "description": "Lower bound version, such as 18.0.0 (exclusive)."
                  }
                }
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object"
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

0.008USDC≈ $0.008 USD

on Base · exact scheme

Pay 0.008 USDC on Base to 0xF22e…Ff493. The signed payment is good for 5 minutes.

Paid to: 0xF22e…Ff493
USD Coin contract: 0x8335…02913
Payment window: 5 minutes
As published: 8000 smallest units

8000units

on Polygon · exact scheme

That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.

Paid to: 0xF22e…Ff493
Token contract: 0x3c49…c3359
Payment window: 5 minutes

8000units

on Arbitrum · exact scheme

That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.

Paid to: 0xF22e…Ff493
Token contract: 0xaf88…e5831
Payment window: 5 minutes

8000units

on eip155:480 · exact scheme

That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.

Paid to: 0xF22e…Ff493
Token contract: 0x79A0…D24D1
Payment window: 5 minutes

8000units

on solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · exact scheme

That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.

Paid to: AytHnv…Z8R1u
Token contract: EPjFWd…TDt1v
Payment window: 5 minutes

The catalog’s raw entry

[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0xF22e558a00D91Ee12A1F50C52186FecB8dDFf493",
    "amount": "8000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0xF22e558a00D91Ee12A1F50C52186FecB8dDFf493",
    "amount": "8000",
    "scheme": "exact",
    "network": "eip155:137",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0xF22e558a00D91Ee12A1F50C52186FecB8dDFf493",
    "amount": "8000",
    "scheme": "exact",
    "network": "eip155:42161",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "0x79A02482A880bCe3F13E09da970dC34dB4cD24D1",
    "extra": {
      "name": "USDC",
      "version": "2"
    },
    "payTo": "0xF22e558a00D91Ee12A1F50C52186FecB8dDFf493",
    "amount": "8000",
    "scheme": "exact",
    "network": "eip155:480",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "extra": {
      "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
    },
    "payTo": "AytHnvc6bZx1ALTy7b5Px7hcavoSYszG9aeKvDcZ8R1u",
    "amount": "8000",
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {
          "name": "react",
          "ecosystem": "npm",
          "to_version": "19.0.0",
          "from_version": "18.0.0"
        }
      },
      "output": {
        "type": "json",
        "example": {
          "found": true,
          "identity": {
            "name": "react",
            "ecosystem": "npm",
            "latest_version": "19.0.0"
          },
          "releases": [
            {
              "notes": "React 19 release notes...",
              "version": "v19.0.0",
              "has_breaking": true,
              "published_at": "2024-12-05T00:00:00Z",
              "breaking_markers": [
                "removed"
              ]
            }
          ],
          "available": true,
          "to_version": "19.0.0",
          "attribution": [
            "GitHub REST API (github.com)."
          ],
          "from_version": "18.0.0",
          "breaking_changes": [
            "v19.0.0"
          ],
          "versions_between": [
            "18.2.0",
            "18.3.1",
            "19.0.0"
          ]
        }
      }
    },
    "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",
              "required": [
                "name",
                "ecosystem",
                "from_version",
                "to_version"
              ],
              "properties": {
                "name": {
                  "type": "string",
                  "description": "Package name; for github pass owner/repo such as coinbase/x402. npm scoped names @scope/name are allowed."
                },
                "ecosystem": {
                  "enum": [
                    "npm",
                    "pypi",
                    "crates",
                    "github"
                  ],
                  "type": "string",
                  "description": "Package ecosystem. Aliases accepted: pip and python map to pypi; cargo and rust map to crates; node maps to npm; gh maps to github."
                },
                "to_version": {
                  "type": "string",
                  "description": "Upper bound version, such as 19.0.0 (inclusive)."
                },
                "from_version": {
                  "type": "string",
                  "description": "Lower bound version, such as 18.0.0 (exclusive)."
                }
              }
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object"
            }
          }
        }
      }
    }
  }
}

Provenance

Seen in the source catalog: 2026-08-17 09:54Z
Last indexed by Roundhouse: 2026-09-16 09:50Z
Last enriched (probe, favicon, geo): 2026-09-22 17:45Z
x402 version: 2
Max timeout: 300s
Liveness probe: HTTP 402

Report

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/endpoints

This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 24 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.

Open skill.md

Show the prompt

Using Roundhouse, look up the x402 service docs-changelog and tell me whether it is
worth paying: what a call costs, whether the endpoint answered when last probed, and what
its payment record actually shows.

curl -s 'https://api.roundhouseai.io/v0/endpoints?q=docs-changelog'
curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>'

Then call it: read the price from the live 402 at https://api.agentstools.dev/docs/changelog, never from
a cached figure, and pay with an x402 client.

The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except
/v0/unified* and /v0/endpoints. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402,
or use an organization key from https://roundhouseai.io/dashboard/team.

If you do not have Roundhouse tools or skills installed, read
https://roundhouseai.io/skill.md first — it is the whole procedure.