x402basequality 0.35

x402-gated premium API access on Base, pay $0.02 per request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/stripe/charges/143

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" behind an x402 paywall, settling payments in USDC on the Base network. The specific resource path `/api/v1/stripe/charges/143` suggests a Stripe-related charges endpoint, though the provider's landing page does not document this particular path in detail. The broader lowpaymentfee.com platform advertises a 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).

The x402 challenge confirms the endpoint is live, accepting POST requests and requiring an X-PAYMENT header with an "exact" scheme payment. The maximum amount required is 20,000 base units of USDC (contract 0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. The provider advertises uniform $0.02/request pricing across all endpoints with no API keys, no rate limits, and instant access. Documentation pages beyond the landing page returned only a "Connect wallet" prompt with no further technical detail, so the actual request/response schema for this specific endpoint is unknown.

Capabilities

x402-paymentusdc-settlementbase-networkper-request-pricingno-api-keystripe-charges

Use cases

  • —Programmatic access to a Stripe charges resource with per-call USDC micropayments
  • —Agent-driven API consumption without API key management
  • —Integrating pay-per-use endpoints into automated workflows on Base

Fit

Best for

  • —Developers wanting keyless, pay-per-request API access
  • —AI agents that can settle x402 payments in USDC on Base
  • —Projects needing low-friction, low-cost API calls without subscriptions

Not for

  • —Users who need detailed API documentation or OpenAPI schemas before integrating
  • —High-volume consumers who prefer flat-rate or subscription pricing
  • —Developers not set up for on-chain USDC payments on Base

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/143 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/charges/143
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is confirmed live via a valid x402 402 challenge, and pricing is clear ($0.02 USDC per request). However, there is no OpenAPI schema, no request/response examples, and the docs pages are empty stubs. The specific purpose of `/api/v1/stripe/charges/143` is not documented anywhere in the crawl material, making this effectively a stub listing.

Warnings

  • —No OpenAPI or schema documentation available for this endpoint
  • —Documentation pages (/docs, /api, /pricing, /README) all returned only a 'Connect wallet' prompt with no content
  • —The specific path /api/v1/stripe/charges/143 is not listed among the provider's advertised APIs, so its exact functionality is unclear
  • —Request and response formats are entirely unknown

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 09:23:50Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-25

Agent access

JSONhttps://clawmart.sh/api/listings/953hcw
x402-gated premium API access on Base, pay $0.02 per request in USDC. — Clawmart · Clawmart