KYC verification endpoint on Base, paid per-call via x402 with USDC.
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/87` accepts POST requests and charges $0.02 per call in USDC on the Base network. Payment is handled inline via the x402 header — no API keys, accounts, or rate limits are required.
The provider site (lowpaymentfee.com) hosts a broader catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities, all priced at $0.02 per request. However, the specific KYC verification endpoint listed here is not prominently featured on the provider's landing page, and no documentation, request schema, or response schema is available for it. The crawled docs, pricing, and API pages all returned only a "Connect wallet" prompt with no additional content.
Because there is no published input/output schema, request examples, or documentation for this KYC endpoint, callers must discover the expected POST body experimentally. The endpoint is confirmed live (returns a valid x402 402 challenge), but the lack of documentation significantly limits usability.
Capabilities
Use cases
- —Verifying user identity as part of onboarding flows
- —Compliance checks for financial or Web3 applications
- —Automated KYC screening in agent-driven workflows
Fit
Best for
- —Developers needing pay-per-call KYC without subscription commitments
- —Agent workflows that can settle micropayments in USDC on Base
- —Applications requiring keyless, on-demand identity verification
Not for
- —Production KYC pipelines requiring documented SLAs and schemas
- —Use cases needing detailed compliance audit trails with known response formats
- —Bulk identity verification at scale (no documented batch support)
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/kyc/verifications/87 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402_payment_token>" \
-d '{}'Endpoint
Quality
The endpoint is live and returns a valid x402 challenge, but there is no documentation, no input/output schema, no request or response examples, and the KYC endpoint is not listed on the provider's own landing page. This is effectively a stub listing.
Warnings
- —No documentation or schema available for this specific KYC endpoint
- —The /api/v1/kyc/verifications/87 path is not listed on the provider's public API catalog — it may be experimental or unlisted
- —Docs, pricing, API, and README pages all returned only 'Connect wallet' with no usable content
- —KYC/identity verification is a regulated category — verify the provider's compliance posture independently
- —The fixed path segment '87' suggests this may be a specific verification record rather than a general-purpose endpoint
Citations
- —The endpoint returns a valid x402 402 challenge with maxAmountRequired of 20000 base units of USDC on Basehttps://lowpaymentfee.com/api/v1/kyc/verifications/87
- —The provider lists APIs at $0.02 per request with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base networkhttps://lowpaymentfee.com/api/v1/kyc/verifications/87