MARKET MONITOR / CATALOGUE Services 137,472 MCP listed 41,667 x402 95,907 Rails Base / Solana / Polygon / Arbitrum Imported 2026-11-02 · 3 sources
Task

Precondition Require

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.

http-428-precondition-required x402 REST

HTTP 428 Precondition Required: what it means (conditional headers required), what a client should do (add If-Match), the class it belongs to, whether it is retryable and idempotency-safe, the defining RFC, and common ca...

dev.intel.rallylive.ca Dev & Code checked 2026-10-29
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