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/129

What it does

This endpoint at lowpaymentfee.com exposes a specific Stripe invoice resource (`/api/v1/stripe/invoices/129`) behind an x402 paywall. It is part of a broader platform that offers dozens of pay-per-request APIs spanning data analytics, AI/ML inference, finance, and utility services — all settled on the Base network using USDC.

The x402 challenge confirms the endpoint is live and accepts POST requests. The price is 20,000 base units of USDC (0x8335…on Base), which equals $0.02 per request (USDC uses 6 decimals). The platform advertises uniform $0.02/request pricing across all endpoints, with no API keys, no rate limits, and no minimum commitments required.

However, the specific functionality of this particular endpoint (`/stripe/invoices/129`) is not documented. The crawled docs, pricing, API, and README pages all returned only a "Connect wallet" prompt with no additional content. There is no OpenAPI schema, no request/response examples, and no description of what data this invoice endpoint returns or what input it expects beyond a POST request. The endpoint appears to be one resource in a larger catalog, but its exact purpose — whether it retrieves a Stripe invoice, creates one, or performs some other action — cannot be determined from available material.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requeststripe-invoicepost-endpoint

Use cases

  • —Retrieving or interacting with a specific Stripe invoice via a crypto-paywall
  • —Programmatic access to invoice data without traditional API key management
  • —Agent-driven payment and data retrieval in a single HTTP round-trip

Fit

Best for

  • —Developers wanting keyless, pay-per-use API access settled in USDC on Base
  • —AI agents that can handle x402 payment challenges natively
  • —Users needing Stripe invoice data without maintaining a Stripe account

Not for

  • —Anyone needing well-documented, schema-defined API contracts
  • —Bulk or high-volume invoice processing where per-call fees add up
  • —Users who cannot transact in USDC on the Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/invoices/129 \
  -H "X-PAYMENT: <x402-payment-token>" \
  -H "Content-Type: application/json"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/invoices/129
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02/request in USDC on Base). However, there is no documentation, no OpenAPI schema, no request/response examples, and the specific purpose of this Stripe invoice endpoint is undocumented. All doc pages returned only 'Connect wallet' with no content.

Warnings

  • —No documentation available — all doc/pricing/API/README pages return only 'Connect wallet'
  • —No OpenAPI or output schema describing request parameters or response format
  • —The specific purpose of /api/v1/stripe/invoices/129 is unclear — it is not listed among the platform's advertised APIs
  • —Cannot verify what data this endpoint actually returns

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 10:23:32Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-25

Agent access

JSONhttps://clawmart.sh/api/listings/76SWce
x402-gated Stripe invoice endpoint on Base, paid per-call in USDC. — Clawmart · Clawmart