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 via the x402 payment protocol. The specific resource `/api/v1/kyc/verifications/42` accepts POST requests and charges up to $0.02 per call in USDC on the Base network. No API keys or rate limits are required — callers simply attach an x402 payment header to each request.

The provider hosts a broader suite of pay-per-call APIs spanning data analytics, AI/ML inference (sentiment analysis, summarization, classification, embeddings), finance/crypto market data, and infrastructure utilities, all priced at $0.02 per request. However, this specific listing covers the KYC verification endpoint. Documentation beyond the landing page is extremely sparse — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no further technical detail. There is no OpenAPI schema, no request/response examples, and no description of what input the KYC endpoint expects or what output it returns. The endpoint is confirmed live (returns a valid x402 402 challenge), but the lack of documentation makes integration difficult without experimentation.

Capabilities

kyc-verificationx402-paymentusdc-settlementbase-networkper-call-pricingno-api-key

Use cases

  • Verifying customer identity as part of onboarding flows
  • Compliance checks for financial or Web3 applications
  • Automated KYC screening triggered by agent workflows

Fit

Best for

  • Developers needing keyless, pay-per-call KYC verification
  • Web3 applications that can settle micropayments in USDC on Base
  • Agents that need on-demand identity checks without subscription commitments

Not for

  • Teams requiring detailed API documentation and integration guides before adoption
  • High-volume KYC pipelines needing batch processing or bulk discounts
  • Regulated environments that require a well-documented audit trail of the verification methodology

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/kyc/verifications/42 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>" \
  -d '{}'

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live and returns a valid x402 challenge, but there is no OpenAPI schema, no request/response examples, and no meaningful documentation. The KYC endpoint's purpose is only inferable from the URL path; input/output formats are completely unknown.

Warnings

  • No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet' with no technical content.
  • No OpenAPI or schema describing request body or response format for the KYC endpoint.
  • The endpoint path includes a hardcoded ID '/42' — it is unclear whether this is parameterized or fixed.
  • KYC/identity verification is a regulated category; no information is provided about the verification methodology, data handling, or compliance certifications.
  • The provider lists many API categories on the landing page but none appear to include KYC, raising questions about this endpoint's maturity.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 05:01:49Z · 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