x402basequality 0.35

Pay-per-call lab results endpoint on Base via x402 — $0.02 per request in USDC.

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

What it does

This endpoint at `/api/v1/lab/results/56` is part of the lowpaymentfee.com platform, which offers a broad suite of pay-per-request APIs spanning data analytics, AI/ML inference, finance/Web3, and infrastructure utilities. All endpoints use the x402 protocol to accept per-call payments in USDC on the Base network, with no API keys, no rate limits, and no subscriptions required.

The specific resource `/api/v1/lab/results/56` is listed under the generic title "Premium API Access" and returns `application/json`. Based on the x402 challenge, it accepts POST requests and charges a maximum of 20,000 base units of USDC (0.02 USD) per call, settled on-chain to a specified payTo address. The broader platform advertises a uniform $0.02/request pricing across all its endpoints.

Note that the endpoint path suggests retrieval of a specific lab result (ID 56), but no further documentation, request schema, or response schema is available. The platform's crawled pages beyond the landing page returned only wallet-connect prompts with no additional technical documentation. Without an OpenAPI spec, example payloads, or detailed endpoint descriptions, the exact data returned and any required POST body fields remain unknown.

Capabilities

x402-paymentusdc-basepay-per-requestjson-responseno-api-keyno-rate-limitpost-method

Use cases

  • —Retrieving lab result data (ID 56) via a single paid API call
  • —Integrating pay-per-use data endpoints into agent workflows without managing API keys
  • —Programmatic access to premium data behind x402 micropayment gating

Fit

Best for

  • —Agents or developers wanting keyless, pay-per-call API access
  • —Use cases requiring on-chain USDC micropayments on Base
  • —Quick one-off data retrieval without subscription commitments

Not for

  • —Users needing detailed API documentation or guaranteed SLAs before integrating
  • —High-volume batch processing where per-request fees add up quickly
  • —Anyone without a Base-compatible USDC wallet

Quick start

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

Endpoint

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

Quality

0.35/ 1.00

The endpoint is live (402 challenge captured) with clear pricing ($0.02 USDC on Base), but there is no OpenAPI spec, no request/response schema, no documentation beyond a landing page, and the purpose of 'lab/results/56' is entirely opaque. Effectively a stub listing.

Warnings

  • —No OpenAPI or schema documentation available — request body and response format are unknown
  • —The endpoint path '/api/v1/lab/results/56' references a hardcoded resource ID with no explanation of what 'lab results' contain
  • —Platform docs pages (/api, /pricing, /README) returned only wallet-connect prompts with no usable content
  • —Cannot verify what data is actually returned upon successful payment

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-21 22:32:37Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-21
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/CQESZZ
Pay-per-call lab results endpoint on Base via x402 — $0.02 per request in USDC. — Clawmart · Clawmart