Task

Fletcher Api

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.

Fletcher-16 / Fletcher-32 x402 REST usage

Fletcher checksum over the input payload, in 16-bit (default) or 32-bit width. Returns the checksum as an unsigned integer and hex. Non-cryptographic.

checksum.openverbs.com Data & Finance 1 calls / 30d checked 2026-10-26

0.002 USDC per call per call

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