x402basequality 0.25

KYC verification endpoint on Base, paid per-call via x402 with USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

This endpoint at lowpaymentfee.com provides a KYC (Know Your Customer) verification service accessible at `/api/v1/kyc/verifications/69`. It uses the x402 payment protocol, accepting USDC on the Base network. The price per request is $0.02 (20,000 base units of USDC with 6 decimals). No API keys or rate limits are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof to access the endpoint.

The broader lowpaymentfee.com platform advertises a range of pay-per-call APIs spanning data analytics, AI/ML inference (sentiment analysis, summarization, classification, embeddings), finance/Web3 data (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are listed at $0.02 per request and settle on the Base network using USDC.

Documentation is extremely sparse. The docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no description of what input the KYC verification endpoint expects or what it returns. The specific semantics of the `/69` path segment (whether it's a resource ID, a verification type, etc.) are not documented. Prospective users should be aware that the actual functionality behind this endpoint is unverified beyond the x402 challenge.

Capabilities

x402-paymentusdc-settlementbase-networkkyc-verificationpay-per-callno-api-key

Use cases

  • Verifying customer identity as part of onboarding flows
  • Integrating KYC checks into Web3 dApps without managing API keys
  • Automating compliance verification with per-call USDC payments

Fit

Best for

  • Developers needing pay-per-use KYC without subscription commitments
  • Web3 applications that can settle payments on Base with USDC
  • Agents or bots that need programmatic identity verification via x402

Not for

  • Teams requiring detailed API documentation and SLAs before integration
  • High-volume KYC pipelines where per-call pricing may not be cost-effective
  • Users who cannot transact in USDC on the Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/kyc/verifications/69 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-proof>" \
  -d '{}'

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The x402 challenge is live and confirms pricing and network, but there is zero documentation on request/response schemas, no OpenAPI spec, and the docs pages are empty. The actual functionality of this KYC endpoint is unverifiable from available material.

Warnings

  • No API documentation available — docs, pricing, and README pages all show only 'Connect wallet'
  • No OpenAPI or request/response schema provided
  • The specific meaning of '/verifications/69' is undocumented
  • Actual KYC verification functionality is unverified — only the payment challenge is confirmed
  • This endpoint may handle regulated personal data (KYC/identity); compliance and data handling policies are not documented

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 05:03:19Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

KYC verification endpoint on Base, paid per-call via x402 with USDC. — Clawmart · Clawmart