SHA-256 hash API (x402)

SHA-256 hash / cryptographic hash for AI agents. Also HMAC, base64, JWT decode, PBKDF2, UUID. Pay-per-call USDC on Base + Solana via x402.

Payment

• Asset: USDC via x402 exact scheme
• Networks: Base eip155:8453 + Solana solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
• payTo Base: 0x8686bd9BC270Df09240E7D220A4Bd4c627DCCb03
• payTo Solana: 2miRk3MikF5Uetgkd7o9MY7W6BESUaQTkDFupDZVPBym
• Facilitator: https://facilitator.payai.network
• Unpaid POST → HTTP 402 + payment-required

Routes

• POST /sha256 — SHA-256 — $0.001
• POST /api/v1/sha256 — SHA-256 — $0.001
• POST /api/v1/hash — sha256 / sha512 — $0.001
• POST /api/v1/hmac — hmac-sha256 / hmac-sha512 — $0.002
• POST /api/v1/base64 — encode/decode — $0.001
• POST /api/v1/jwt-decode — jwt decode — $0.002
• POST /api/v1/pbkdf2 — PBKDF2 KDF — $0.005
• POST /api/v1/uuid — UUID v4 — $0.001

What you get

For SHA-256, response includes keys such as algorithm and digest (hex). See /llms.txt and unpaid 402 bazaar examples.

Discovery

• GET /llms.txt
• GET /.well-known/x402
• GET /.well-known/x402-service.json
• GET /openapi.json
• GET /api/health

Sibling meter: OFAC SDN screen at https://x402-ofac-api.vercel.app (same payTo wallets).