x402basequality 0.35

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/lab/results/91

What it does

This endpoint at lowpaymentfee.com provides pay-per-request API access via the x402 protocol, settling payments in USDC on the Base network. The specific resource `/api/v1/lab/results/91` is listed under "Premium API Access" and costs $0.02 per call (20,000 base units of USDC with 6 decimals). No API keys, rate limits, or subscriptions are required — each request is individually paid for using an X-PAYMENT header.

The broader lowpaymentfee.com platform offers a suite of endpoints spanning data & analytics (metrics, reports, data export, insights), AI & machine learning (sentiment analysis, text summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are priced uniformly at $0.02 per request.

The specific endpoint `/api/v1/lab/results/91` does not have detailed documentation beyond its title "Premium API Access." It accepts POST requests and returns `application/json`. The exact schema of the request body and response payload is not documented in the crawled material, so the precise data returned is unknown. The x402 challenge is live and well-formed, confirming the endpoint is operational.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestno-api-keyjson-responsepost-method

Use cases

  • —Accessing premium lab results data on a per-request basis without subscriptions
  • —Agent-driven data retrieval with automatic USDC micropayments on Base
  • —Integrating pay-as-you-go API calls into automated workflows

Fit

Best for

  • —Developers wanting zero-commitment, pay-per-use API access
  • —AI agents that can settle x402 payments autonomously
  • —Users who prefer crypto micropayments over API key management

Not for

  • —Users needing detailed API documentation or request/response schemas before integrating
  • —High-volume consumers who would benefit from bulk pricing or subscriptions
  • —Users without access to USDC on the Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/lab/results/91 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/lab/results/91
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but the specific endpoint lacks any documentation of request body schema, response schema, or what "lab results/91" actually returns. No OpenAPI spec, no examples, and crawled pages beyond the homepage are empty wallet-connect stubs.

Warnings

  • —No documentation exists for the specific endpoint /api/v1/lab/results/91 — the purpose and data returned are unknown.
  • —No request body schema or response schema is available; integration requires trial-and-error.
  • —The /api, /pricing, and /README pages returned only 'Connect wallet' with no useful content.
  • —The endpoint path 'lab/results/91' suggests a fixed resource ID; it is unclear if this is parameterized or static.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-21 22:38:27Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-21
Last seen2026-04-21

Agent access

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