Specmatic · Example Payload

Specmatic Contract Example

API Contract TestingAPI GovernanceAPI MockingBackward CompatibilityContract-Driven DevelopmentService Virtualization

Specmatic Contract Example is an example object payload from Specmatic, with 10 top-level fields. It illustrates the shape of data this provider's APIs accept or return.

Top-level fields

idnamespecificationFormatspecificationVersionprotocolspecificationUrlbackwardCompatiblecoveragePercentcreatedAtupdatedAt

Example Payload

{
  "id": "contract-openapi-petstore-v1",
  "name": "Petstore REST API Contract",
  "specificationFormat": "OpenAPI",
  "specificationVersion": "3.0.3",
  "protocol": "HTTP",
  "specificationUrl": "https://raw.githubusercontent.com/specmatic/petstore-contracts/main/petstore.yaml",
  "backwardCompatible": true,
  "coveragePercent": 94.5,
  "createdAt": "2026-01-15T10:00:00Z",
  "updatedAt": "2026-05-01T14:30:00Z"
}

Work with this as data

Every example here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for examples

4 MCP tools reach this

find_examplesBrowse and filter every example in the catalog.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools

Call it yourself

curl for this page

This example

curl "https://apis.io/api/v1/examples/specmatic-contract-example"

All examples

curl "https://apis.io/api/v1/examples?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.