x402basequality 0.30

Pay-per-request premium API access via x402 on Base network using USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/generate/resource/10

What it does

lowpaymentfee.com hosts a collection of pay-per-request API endpoints accessible via the x402 payment protocol on the Base network. The specific endpoint at `/api/v1/generate/resource/10` is listed as "Premium API Access" and accepts POST requests. Payment is made in USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) with a maximum amount of 20,000 units (likely $0.02 USDC given the 6-decimal token standard and the site's advertised $0.02/request pricing). No API keys or rate limits are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof.

The broader lowpaymentfee.com platform advertises endpoints across several categories: Data & Analytics (metrics, reports, data export, insights), AI & Machine Learning (sentiment analysis, text summarization, classification, embeddings), Finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and Infrastructure (geocoding, validation, conversion, generation). All endpoints are priced at $0.02 per request. However, the specific endpoint being listed here (`/api/v1/generate/resource/10`) does not clearly map to any of the documented categories, and its exact functionality is not described in the available documentation.

Documentation is extremely sparse — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what this particular endpoint actually returns. The x402 challenge is live and well-formed, confirming the endpoint is operational, but the lack of documentation makes it impossible to determine the endpoint's actual purpose or output format.

Capabilities

x402-paymentusdc-paymentbase-networkpay-per-requestno-api-keyhttp-post

Use cases

  • —Accessing premium API resources with per-request USDC micropayments on Base
  • —Integrating pay-as-you-go API calls into agent workflows without API key management
  • —Testing x402 payment protocol integrations against a live endpoint

Fit

Best for

  • —Developers experimenting with x402 payment protocol
  • —Agent systems that need keyless, pay-per-call API access
  • —Low-volume consumers who prefer micropayments over subscriptions

Not for

  • —Users needing well-documented API contracts with clear input/output schemas
  • —High-volume production workloads where $0.02/request adds up quickly
  • —Anyone requiring non-crypto payment methods

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/generate/resource/10 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-proof>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/generate/resource/10
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The x402 challenge is live and well-formed (402 captured), confirming the endpoint exists and accepts USDC on Base. However, documentation is essentially nonexistent — all doc pages show only 'Connect wallet'. There is no OpenAPI schema, no request/response examples, and the actual functionality of this specific endpoint is undocumented. The endpoint path '/api/v1/generate/resource/10' does not clearly correspond to any of the listed API categories on the homepage.

Warnings

  • —Endpoint functionality is completely undocumented — the actual purpose and output of /api/v1/generate/resource/10 is unknown
  • —All documentation pages (docs, API, pricing, README) render only 'Connect wallet' with no content
  • —No OpenAPI schema or request/response examples available
  • —No input schema documented — unclear what POST body is expected
  • —The endpoint path does not match any of the advertised API categories on the homepage

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 19:46:56Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/ENqMdg
Pay-per-request premium API access via x402 on Base network using USDC. — Clawmart · Clawmart