AsterPay — Dual Protocol (x402 + MPP) Settlement API for AI Agents | USDC to EUR | SEPA Instant

# AsterPay > Trust, discovery, and fiat settlement layer for AI agent payments. USDC in, EUR to bank via SEPA Instant. ## API Base URL - Production: https://x402.asterpay.io - Documentation: https://asterpay.io/docs - Agent Card: https://asterpay.io/.well-known/agent.json ## Free Endpoints (no authentication) - [Trust Score](https://x402.asterpay.io/v1/agent/trust-score/{address}): GET — KYA trust assessment (0-100) for any wallet - [Verify Agent](https://x402.asterpay.io/v1/agent/verify/{address}): GET — Quick identity + sanctions check - [Trust Tier](https://x402.asterpay.io/v1/agent/tier/{address}): GET — Tier classification (unknown/basic/verified/trusted/enterprise) - [Batch Trust](https://x402.asterpay.io/v1/agent/trust-score/batch): POST — Batch trust check (up to 50 addresses) - [Settlement Estimate](https://x402.asterpay.io/v1/settlement/estimate?amount={usdc}): GET — EUR conversion estimate with fees - [KYA Framework](https://x402.asterpay.io/v1/agent/framework): GET — Full KYA framework documentation - [Discovery](https://x402.asterpay.io/v1/agent/discovery): GET — Service capabilities and pricing - [Market Data](https://x402.asterpay.io/v2/x402/market/rates): GET — Live EUR/USD exchange rates ## Merchant Payment Endpoint (MPE) — Discovery - [Resolve Merchant](https://x402.asterpay.io/v1/mpe/merchants/resolve?business_id={id}&business_id_type=vat): GET — Find merchant bank details (IBAN, BIC) from company name/ID - [Register Merchant](https://x402.asterpay.io/v1/mpe/merchants): POST — Register merchant with IBAN + VoP verification - [Settle via MPE](https://x402.asterpay.io/v1/mpe/settle): POST — Full settlement: resolve → VoP → KYA → SEPA Instant MPE solves "agent knows the company name but not where to pay." AsterPay finds verified bank details from 5 sources + Verification of Payee (PSD2). ## Paid Endpoints (x402 or MPP — pay USDC per call) - [Deep Analysis](https://x402.asterpay.io/v1/agent/deep-analysis/{addr

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