Task

Fast Data Checksum

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.

Adler-32 x402 REST usage

Adler-32 checksum (as used by zlib) over the input payload. Faster than CRC-32 but weaker for short inputs. Returns the checksum as an unsigned integer and 8-digit 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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