Api Endpoint

Annalist

Dated contract changes in widely used public APIs (Stripe, GitHub, OpenAI, Twilio, Slack, Plaid, Datadog and more), from their published OpenAPI descriptions read daily: operations, parameters and request fields added, removed or newly required, each change marked breaking or not. Last 1 to 90 days, one API with api=, or only breaking changes with breaking=true. Signed.

Open interactive test console

Offering

Provider: api.annalist.dev
Method: GET
Offering type: Api Endpoint
Transport type: http
Category: Development
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://api.annalist.dev/v1/apis/changes
MIME type: application/json
First seen: 2026-10-16T13:31:51.689Z
Last seen: 2026-11-02T01:03:34.860Z
Tags: api, OpenAPI, breaking-changes, developer-tools, changelog

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1: 0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2: 0.01 USDC
Atomic price: 10000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0xDE4805678438b6bfBbFE047fFF305C928653Fe17"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "10000",
    "payTo": "8j7NNmuxmobnZh7s4Mn9vsSF1BiiGFDpBHZ2XQxz2TME"
  }
]

Observed health

Status: Healthy
Latest latency: 184 ms
Average latency: 498 ms
HTTP status: 402
Last checked: 2026-11-02T01:03:34.855Z
Reachability: 100% over 13 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "days": {
          "type": "string",
          "description": "how many days back, 1 to 90 (default 30)"
        },
        "api": {
          "type": "string",
          "description": "optional: one API, for example stripe or github"
        },
        "breaking": {
          "type": "string",
          "description": "optional: true for breaking changes only"
        }
      }
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "api": {
              "description": "optional: one API, for example stripe or github",
              "type": "string"
            },
            "breaking": {
              "description": "optional: true for breaking changes only",
              "type": "string"
            },
            "days": {
              "description": "how many days back, 1 to 90 (default 30)",
              "type": "string"
            }
          },
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}