x402basequality 0.30

x402-gated Stripe invoice endpoint on Base, paid per-call in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/stripe/invoices/141

What it does

This endpoint at lowpaymentfee.com exposes a specific Stripe invoice resource (`/api/v1/stripe/invoices/141`) behind an x402 paywall. The provider operates a broader platform offering dozens of pay-per-request APIs spanning data analytics, AI/ML inference, finance/Web3 data, and utility services—all settled on the Base network using USDC via the x402 protocol.

The specific endpoint listed here is described only as "Premium API Access" and returns invoice-related data in JSON format when a valid x402 payment header is supplied. The x402 challenge confirms the endpoint is live, accepts POST requests, and charges up to 20,000 base units of USDC (0.02 USD) per call. The asset address `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913` corresponds to native USDC on Base. Payment is sent to `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` with a 300-second timeout.

Documentation is extremely sparse—the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no description of what the invoice endpoint actually returns or what parameters it accepts. The broader site advertises a uniform $0.02/request pricing model with no API keys, no rate limits, and instant access.

Capabilities

x402-paymentusdc-settlementbase-networkstripe-invoice-accesspay-per-requestno-api-key

Use cases

  • —Retrieving Stripe invoice data via a single paid API call
  • —Programmatic access to invoice #141 without traditional API key management
  • —Agent-driven payment-gated data retrieval on Base

Fit

Best for

  • —Developers wanting keyless, pay-per-use API access settled in USDC
  • —AI agents that can handle x402 payment challenges natively
  • —Quick one-off invoice data retrieval without subscription overhead

Not for

  • —Bulk invoice processing requiring batch endpoints or pagination
  • —Users who need detailed API documentation or request/response schemas before integrating
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/invoices/141
# Returns 402 with x402 challenge. Supply X-PAYMENT header with valid payment proof to access.

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/invoices/141
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The x402 challenge is live and confirms pricing and network details, but there is zero documentation on what this endpoint accepts or returns. No OpenAPI schema, no examples, and the docs pages are empty. The endpoint path suggests a single static invoice resource rather than a general-purpose API.

Warnings

  • —No API documentation available—docs, pricing, and README pages all show only 'Connect wallet'
  • —No request or response schema provided; impossible to know what parameters are accepted or what data is returned
  • —Endpoint path references a specific invoice ID (141), suggesting it may be a single static resource rather than a parameterized API
  • —The broader site lists many API categories but none match this specific Stripe invoices path, raising questions about completeness

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 10:23:07Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-25

Agent access

JSONhttps://clawmart.sh/api/listings/GWZryX
x402-gated Stripe invoice endpoint on Base, paid per-call in USDC. — Clawmart · Clawmart