crypto-hash x402 REST usage
Compute keccak256/sha256, a 4-byte function selector, an event topic0, or an ENS namehash/labelhash from a string or hex input.
0.001 USDC per call
per call
Selector
125 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.
dkim-selector-check x402 REST
DKIM check for a domain: tests the most common DKIM selectors (google, selector1/selector2 for Microsoft 365, default, k1, mail, dkim, s1, s2, mandrill, mailchimp, sendgrid, zoho, amazonses and more) or a selector you gi...
0.01 USDC per call
per call
dkim-selector-namecheap x402 REST
DKIM public key for selector "namecheap" of a domain: looks up namecheap._domainkey.<domain> (TXT, Cloudflare DoH) and parses v=, k=, key type, public-key length, testing flag and whether the key is revoked (empty p=). C...
0.01 USDC per call
per call
crypto-hash x402 REST
Compute keccak256/sha256, a 4-byte function selector, an event topic0, or an ENS namehash/labelhash from a string or hex input.
0.001 USDC per call
per call
evm-decode-signature x402 REST
Reverse a 4-byte function selector, an event topic hash, or raw calldata into its human-readable signature using the 4byte database, with collisions resolved so the real signature (the oldest registered) is returned firs...
0.003 USDC per call
per call