{
  "openapi": "3.1.0",
  "info": {
    "title": "changelogs.info API",
    "version": "1.0.0",
    "description": "Read-only access to the changelogs.info archive: tracked entities, change events, and the derived knowledge graph. Free, unauthenticated, CDN-cached.",
    "license": {
      "name": "CC BY 4.0",
      "url": "https://creativecommons.org/licenses/by/4.0/"
    },
    "contact": {
      "url": "https://changelogs.info/about"
    }
  },
  "servers": [
    {
      "url": "https://changelogs.info/api"
    }
  ],
  "paths": {
    "/events.json": {
      "get": {
        "summary": "All events",
        "description": "Every tracked change event, newest first. Includes significance, categories and breaking flag.",
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object"
                }
              }
            }
          }
        }
      }
    },
    "/tools.json": {
      "get": {
        "summary": "All entities",
        "description": "Every tracked tool, provider and specification with release counts and cadence.",
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object"
                }
              }
            }
          }
        }
      }
    },
    "/tools/{id}.json": {
      "get": {
        "summary": "One entity",
        "description": "A single entity with its full event stream.",
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object"
                }
              }
            }
          }
        }
      }
    },
    "/graph.json": {
      "get": {
        "summary": "Knowledge graph",
        "description": "Nodes (entities + events) and typed, dated edges. Derived on every build.",
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object"
                }
              }
            }
          }
        }
      }
    },
    "/search.json": {
      "get": {
        "summary": "Search index",
        "description": "Flat rows for client-side search.",
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object"
                }
              }
            }
          }
        }
      }
    },
    "/meta.json": {
      "get": {
        "summary": "Index metadata",
        "description": "Counts, generation time, schema version.",
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object"
                }
              }
            }
          }
        }
      }
    }
  },
  "x-payment-info": {
    "required": false,
    "price": "free",
    "note": "All documented operations are free and unauthenticated."
  },
  "x-schema-version": 1,
  "x-generated-at": "2026-08-11T23:38:41.835Z",
  "x-markdown-alternates": "Append .md to any page URL for the canonical Markdown form."
}