x402basequality 0.35

Pay-per-call lab results endpoint on Base via x402, settling in USDC at $0.02/request.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/lab/results/35

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" to lab results (resource ID 35) via the x402 payment protocol. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) with a maximum cost of 20,000 base units, which equals $0.02 per request (USDC uses 6 decimals).

The broader lowpaymentfee.com platform advertises a suite of pay-per-call APIs spanning data & analytics, AI/ML (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation) — all priced at $0.02 per request. The platform emphasizes no API keys, no rate limits, and instant access.

The specific endpoint `/api/v1/lab/results/35` is not explicitly listed on the site's landing page among the advertised API categories, so its exact response schema and purpose are unclear. The x402 challenge confirms it is live and accepting payment-gated POST requests. No OpenAPI spec, detailed documentation, or example responses were found in the crawl.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-calljson-responsepost-method

Use cases

  • —Fetching lab result data (ID 35) via a single paid POST request
  • —Demonstrating x402 payment-gated API consumption for agents
  • —Integrating low-cost per-call data retrieval into automated workflows

Fit

Best for

  • —Agents or developers needing pay-per-call data access without API keys
  • —Testing x402 protocol integrations on Base with USDC
  • —Low-volume, on-demand data retrieval at $0.02 per call

Not for

  • —High-volume bulk data retrieval where per-call pricing adds up
  • —Users who need detailed documentation or guaranteed SLAs before integrating

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/lab/results/35 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/lab/results/35
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The x402 challenge is live and confirms pricing and network details, but there is no OpenAPI spec, no documentation, no example request/response, and the specific endpoint (/api/v1/lab/results/35) is not listed among the site's advertised APIs. The purpose and schema of the response are unknown.

Warnings

  • —Endpoint /api/v1/lab/results/35 is not listed among the provider's advertised APIs on the landing page — its purpose is unclear.
  • —No OpenAPI spec, request schema, or response schema available.
  • —No documentation pages rendered meaningful content (pricing, README, and /api pages only show 'Connect wallet').
  • —The exact nature of 'lab results' data is unspecified — could be placeholder or test content.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-21 22:23:15Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-21
Last seen2026-04-23

Agent access

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