x402basequality 0.25

x402-gated premium API access on Base, paid per-call in USDC at $0.02/request.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/stripe/charges/77

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" behind an x402 paywall on the Base network. The specific endpoint `/api/v1/stripe/charges/77` is one of many offered by the platform, which advertises a broad catalog spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all priced at $0.02 per request in USDC.

The x402 challenge confirms the endpoint is live and accepts POST requests. Payment is settled on-chain via USDC (contract 0x8335…2913) on Base to address 0x1A2B…85F3, with a max amount of 20,000 base units (i.e., $0.02 given USDC's 6 decimals). The scheme is "exact" with a 300-second timeout. No API keys or rate limits are advertised; access is purely pay-per-call.

However, the specific functionality behind this particular endpoint (`/stripe/charges/77`) is unclear. It does not appear in the site's listed API catalog, and the description is simply "Premium API Access" with no further documentation. The docs, pricing, API, and README pages all render only a "Connect wallet" prompt with no substantive content. Without an OpenAPI schema, request/response examples, or detailed documentation, it is impossible to confirm what data or service this endpoint actually returns.

Capabilities

x402-paymentusdc-basepay-per-callno-api-keypost-method

Use cases

  • —Agent-initiated API calls with automatic USDC micropayments on Base
  • —Accessing premium data or services without traditional API key registration
  • —Programmatic pay-per-call access for bots or automated workflows

Fit

Best for

  • —Developers wanting keyless, pay-per-call API access
  • —AI agents with x402-compatible payment capabilities
  • —Users who prefer on-chain USDC settlement on Base

Not for

  • —Users needing detailed documentation or guaranteed SLAs before purchasing
  • —Anyone requiring free-tier or trial access to evaluate the service
  • —Use cases requiring high-throughput with predictable monthly billing

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/77 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/charges/77
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02/request in USDC on Base), but there is no documentation, no OpenAPI schema, no request/response examples, and the specific purpose of this endpoint is undocumented. The docs pages are empty beyond a wallet-connect prompt.

Warnings

  • —The specific endpoint /api/v1/stripe/charges/77 is not listed in the site's public API catalog — its actual functionality is unknown.
  • —All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no substantive content.
  • —No OpenAPI schema, request body format, or response examples are available.
  • —The endpoint name suggests Stripe charge functionality but this is unconfirmed.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 09:33:59Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/v9CH5T
x402-gated premium API access on Base, paid per-call in USDC at $0.02/request. — Clawmart · Clawmart