x402basequality 0.35

x402-gated lab results endpoint on Base, pay-per-request with USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/lab/results/45

What it does

This endpoint at `/api/v1/lab/results/45` is part of the lowpaymentfee.com platform, a collection of x402-protocol pay-per-call APIs spanning data analytics, AI/ML inference, finance, and utility services. The specific resource appears to serve "lab results" data (resource ID 45), though the exact payload schema is not documented. Payment is settled on the Base network using USDC (contract `0x8335…2913`) via the x402 exact-payment scheme.

The x402 challenge is live and requests a maximum of 20,000 base units of USDC. Since USDC uses 6 decimals, this converts to $0.02 per request — consistent with the platform's uniform $0.02/request pricing advertised on the landing page. No API keys or rate limits are required; callers simply attach an `X-PAYMENT` header with a valid x402 payment proof. The endpoint accepts POST requests and returns `application/json`.

The broader lowpaymentfee.com platform lists endpoints for metrics, reports, data export, insights, sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, token quotes, gas estimates, geocoding, validation, conversion, and generation — all at the same $0.02 price point. However, this specific `/lab/results/45` endpoint is not listed on the landing page, and no documentation describes its request or response schema. Without further docs, the exact data returned and any required POST body fields remain unknown.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestjson-responseno-api-keylab-results

Use cases

  • —Retrieving lab result data (ID 45) via a single paid API call
  • —Demonstrating x402 payment protocol integration on Base
  • —Agent-driven data retrieval with per-request USDC micropayments

Fit

Best for

  • —Developers experimenting with x402 payment protocol
  • —Agents that need pay-per-call data access without API keys
  • —Low-friction micropayment API consumption on Base

Not for

  • —Users needing documented request/response schemas before integration
  • —Bulk data retrieval where per-request fees add up
  • —Non-crypto users who cannot settle payments in USDC on Base

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/lab/results/45 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-proof>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/lab/results/45
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The x402 challenge is live and pricing is clear ($0.02/request in USDC on Base). However, this specific endpoint (/api/v1/lab/results/45) is not listed on the provider's landing page, has no documentation, no request/response schema, and no examples. The purpose of 'lab results' is entirely opaque.

Warnings

  • —This specific endpoint (/api/v1/lab/results/45) is not listed among the provider's advertised APIs — it may be a test or internal resource.
  • —No request body schema or response schema is documented; callers cannot know what to send or what to expect.
  • —The /api, /pricing, and /README pages all returned only a 'Connect wallet' prompt with no useful content.
  • —The term 'lab results' is ambiguous and could refer to medical, scientific, or test data — no clarification is available.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-21 22:33:57Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-21
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/AnQ9kc
x402-gated lab results endpoint on Base, pay-per-request with USDC. — Clawmart · Clawmart