Provider

x402.fairseal.io

x402.fairseal.io · 5 listed services · provider site

Latest x402 REST usage

Provably fair random numbers, commit-reveal protocol. SHA-256 commit is free (POST /v1/rng/commit); pay $0.01 to reveal a verifiable random number backed by a cryptographic VDF chain with on-chain Merkle anchor. Bias-res...

x402.fairseal.io Web & Scraping 14 calls / 30d checked 2026-10-25

0.01 USDC per call per call

Detect x402 REST usage

Regex PII scan: emails, US/CA (NANP) phones, dash-formatted national IDs (partial; Taiwan-format alphanumeric IDs not matched), loose passports, 64-hex crypto keys (may flag SHA-256), credit cards (contiguous IIN prefix...

x402.fairseal.io Comms & Messaging 10 calls / 30d checked 2026-10-25

0.001 USDC per call per call

Notarize x402 REST checked

Anchor an AI agent decision or audit record to Base mainnet. Submit {schema, payload_hash (SHA-256 hex, 64 chars), metadata}; service queues into a Merkle batch and returns a receipt with pending_anchor status immediatel...

x402.fairseal.io Security 9 calls / 30d checked 2026-10-25

0.05 USDC per call per call checked

Anchor x402 REST usage

Anchor a SHA-256 payload hash (64 lowercase hex chars) into a Merkle batch on Base mainnet. Payment: $0.001 USDC per submission (batch-settled). Returns anchor_id (202); poll status_url for Merkle proof + on-chain tx has...

x402.fairseal.io Crypto & Payments 6 calls / 30d checked 2026-10-25

0.02 USDC per call per call

Verify x402 REST usage

Verify AI agent outputs against a VEO-2 schema. Checks structural validity, SHA-256 hash integrity (if content hash is present), and optional cryptographic signature on the output (if proof.provider_signature is present)...

x402.fairseal.io Data & Finance 5 calls / 30d checked 2026-10-25

0.002 USDC per call per call

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