x402basequality 0.30

x402-gated premium API endpoint on Base, pay-per-request with USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/generate/resource/185

What it does

This endpoint at lowpaymentfee.com is one of many x402-protocol-gated API resources offered by the provider. The specific resource at `/api/v1/generate/resource/185` is listed as "Premium API Access" and accepts POST requests. Payment is settled on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) with a maximum amount of 20,000 units (which, given USDC's 6 decimals, equals $0.02 per request). The endpoint uses the x402 "exact" payment scheme, meaning each call requires a one-shot micropayment.

The provider's landing page advertises a broad suite of APIs spanning data & analytics, AI & machine learning (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are priced at $0.02 per request with no API keys, no rate limits, and no minimum commitments. However, the specific functionality behind `/api/v1/generate/resource/185` is not documented — the path suggests a generation or resource-creation endpoint but no schema, parameters, or example responses are available.

The endpoint is confirmed live, returning a proper 402 challenge with x402 version 1. Documentation pages (/docs, /api, /pricing, /README) all returned minimal content (just "Connect wallet"), so there is effectively no developer documentation available beyond the landing page overview.

Capabilities

x402-paymentusdc-basepay-per-requestpost-endpointno-api-keyno-rate-limit

Use cases

  • —Programmatic access to a generation/resource endpoint via x402 micropayment
  • —Agent-driven API calls that settle per-request on Base L2 with USDC
  • —Integrating pay-as-you-go API access without managing API keys or subscriptions

Fit

Best for

  • —Developers or agents wanting keyless, pay-per-call API access
  • —Use cases requiring on-chain payment settlement on Base
  • —Scenarios where no-commitment, no-rate-limit access is preferred

Not for

  • —Users who need detailed documentation or well-defined input/output schemas before integrating
  • —High-volume use cases where per-request crypto payments add unacceptable overhead
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/generate/resource/185 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/v1/generate/resource/185
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 402 challenge, but there is zero documentation on what this specific resource does, what inputs it accepts, or what it returns. The docs, pricing, API, and README pages are all blank stubs. The listing is effectively a stub with only the payment challenge metadata to go on.

Warnings

  • —No documentation available — /docs, /api, /pricing, and /README pages are empty stubs
  • —The specific functionality of /api/v1/generate/resource/185 is unknown; no input or output schema is provided
  • —The provider site lists many endpoints but none have detailed docs; actual capabilities are unverifiable
  • —Cannot confirm what 'Premium API Access' actually delivers beyond the generic title

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 19:49:28Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/SK9Cnx
x402-gated premium API endpoint on Base, pay-per-request with USDC. — Clawmart · Clawmart