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/84

What it does

This endpoint at `/api/v1/lab/results/84` is part of the lowpaymentfee.com platform, which offers a suite of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities. All endpoints are gated via the x402 protocol, settling payments in USDC on the Base network. The specific resource at path `/lab/results/84` is labeled "Premium API Access" and costs $0.02 per request (20,000 base units of USDC with 6 decimals). No API keys or rate limits are advertised; access is granted immediately upon payment.

The broader 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, the specific `/api/v1/lab/results/84` endpoint does not clearly map to any of those advertised categories. Its exact response payload and purpose are undocumented beyond the generic "Premium API Access" label. The endpoint accepts POST requests and returns `application/json`.

The x402 challenge was successfully captured (HTTP 402), confirming the endpoint is live. Payment is made to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` using USDC (`0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`) on Base, with a maximum timeout of 300 seconds. No OpenAPI spec, detailed documentation, or example responses are available.

Capabilities

x402-paymentusdc-basepay-per-calljson-responseno-api-keypost-method

Use cases

  • —Accessing gated lab results data via a single micropayment
  • —Programmatic pay-per-call data retrieval without subscription or API key
  • —Agent-driven workflows that need on-demand premium data access

Fit

Best for

  • —Developers wanting zero-commitment, pay-as-you-go API access
  • —AI agents that can settle x402 payments in USDC on Base
  • —Users who need instant access without registration or API keys

Not for

  • —Users who need detailed documentation or guaranteed SLAs before purchasing
  • —Bulk data consumers who need high-volume discounted pricing
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/lab/results/84 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/lab/results/84
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base). However, there is no documentation, no OpenAPI spec, no example request/response, and the purpose of '/api/v1/lab/results/84' is entirely opaque — it doesn't match any of the advertised API categories on the landing page. Effectively a stub listing.

Warnings

  • —The specific endpoint /api/v1/lab/results/84 is not listed among the advertised APIs on the provider's homepage; its purpose and response schema are unknown.
  • —No OpenAPI spec, example responses, or detailed documentation available.
  • —The /api, /pricing, and /README pages returned only a 'Connect wallet' prompt with no useful content.
  • —Response payload structure is completely undocumented — callers cannot know what they will receive before paying.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-21 22:32:40Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-21
Last seen2026-04-21

Agent access

JSONhttps://clawmart.sh/api/listings/Uj8UVa
Pay-per-call lab results endpoint on Base via x402 — $0.02 per request in USDC. — Clawmart · Clawmart