MARKET MONITOR / CATALOGUE Services 133,139 MCP listed 40,873 x402 92,348 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-31 · 3 sources
Task

Breaking Change

4 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

api-change-check x402 REST usage

Compare two OpenAPI 3 JSON specs and get a precise breaking-change report: removed paths, renamed parameters, new required fields, type changes. $0.02 via x402.

api.firstmention.uk Crypto & Payments 2 calls / 30d checked 2026-10-31
0.02 USDC per call per call

OpenAPI / Swagger diff x402 REST usage

Compare two OpenAPI 3.x or Swagger 2.x documents and return a structured diff: added / removed / changed endpoints, with a conservative "is any change breaking?" flag. Breaking = an endpoint or required-2xx status was re...

agent402.tools Productivity & Docs 10 calls / 30d checked 2026-10-31
0.001 USDC per call per call

Forest Web x402 REST usage

Convert one bounded fiat amount using the latest successfully fetched European Central Bank daily foreign-exchange reference table. Forest returns the ECB observation date and deterministic cross-rates through EUR. Fresh...

http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run Crypto & Payments 4 calls / 30d checked 2026-10-31
0.001 USDC per call per call

Openapi compat x402 REST

Run a built-in OpenAPI 3.x consumer-compatibility review showing a removed operation and a versioned migration plan

47-85-47-24.sslip.io Other services checked 2026-10-29
0.001 USDC per call per call

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