x402basequality 0.30

Pay-per-call premium API access on Base via x402 — $0.02/request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/claims/56

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific resource `/api/v1/claims/56` is one of many endpoints offered by the platform, which spans categories including data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. All endpoints are priced at $0.02 per request, paid in USDC on the Base network, with no API keys, rate limits, or commitments required.

The x402 challenge confirms the endpoint is live and accepts POST requests. Payment is settled on-chain using USDC (contract `0x8335...2913` on Base) to address `0x1A2B...85F3`, with a maximum timeout of 300 seconds. The platform advertises a uniform $0.02 pricing model across all its API offerings. The probe's `maxAmountRequired` of 20000 base units (USDC has 6 decimals) translates to $0.02, consistent with the advertised price.

However, the specific functionality behind `/api/v1/claims/56` is unclear. The endpoint path does not match any of the documented API routes on the landing page (analytics, AI, finance, or utility endpoints). The description is simply "Premium API Access" with no further detail on what data or service is returned. Documentation pages (`/docs`, `/pricing`, `/README`) returned only a "Connect wallet" prompt with no substantive content. Without request/response schemas or documentation, the exact purpose of this particular claims endpoint remains unknown.

Capabilities

x402-paymentusdc-base-networkpay-per-requestno-api-keypost-methodjson-response

Use cases

  • —Programmatic access to premium API services without API key management
  • —Agent-driven pay-per-call workflows settled in USDC on Base
  • —On-demand API consumption with no subscription or rate limits

Fit

Best for

  • —Developers wanting zero-commitment, pay-as-you-go API access
  • —AI agents that can settle x402 payments autonomously on Base
  • —Users who prefer on-chain USDC payments over traditional billing

Not for

  • —Users needing detailed documentation or guaranteed SLAs before integrating
  • —Anyone requiring non-crypto payment methods
  • —Use cases requiring high-throughput with predictable flat-rate pricing

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/claims/56 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/claims/56
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but the specific functionality of /api/v1/claims/56 is undocumented. No request/response schema, no examples, and documentation pages are empty. The endpoint path doesn't match any listed API route on the landing page.

Warnings

  • —The specific purpose of /api/v1/claims/56 is unknown — it does not appear in the platform's documented API listing
  • —All documentation pages (/docs, /pricing, /README) returned only 'Connect wallet' with no content
  • —No request body schema or response schema is available
  • —No OpenAPI spec or AI plugin manifest found

Citations

Provenance

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

Agent access

JSONhttps://clawmart.sh/api/listings/ByKQuq
Pay-per-call premium API access on Base via x402 — $0.02/request in USDC. — Clawmart · Clawmart