Task

Contract Testing

1 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 2026-11-01

0.02 USDC per call per call

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