x402basequality 0.30

Pay-per-call Stripe invoice API on Base via x402 — $0.02/request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/stripe/invoices/100

What it does

This endpoint at lowpaymentfee.com provides access to a Stripe invoices resource via the x402 payment protocol. The specific path `/api/v1/stripe/invoices/100` suggests retrieval or creation of Stripe invoice data (likely for invoice ID 100). Payment is settled on the Base network using USDC (contract 0x8335…2913) with a maximum cost of 20,000 base units, which equals $0.02 per request (USDC uses 6 decimals). The endpoint accepts POST requests and returns application/json.

The provider, lowpaymentfee.com, hosts a broader catalog of x402-gated APIs spanning data analytics, AI/ML inference (sentiment analysis, summarization, classification, embeddings), finance/crypto market data, and utility services — all priced uniformly at $0.02 per request. The platform advertises no API keys, no rate limits, and instant access; callers authenticate solely through the x402 payment header on the Base L2 network.

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 detailed description of what the Stripe invoices endpoint actually returns or what parameters it accepts. The endpoint is confirmed live (402 challenge captured), but the lack of documentation makes it difficult to use without experimentation.

Capabilities

x402-paymentusdc-basestripe-invoicespay-per-requestno-api-keyjson-response

Use cases

  • —Retrieving or generating Stripe invoice data without traditional API key management
  • —Programmatic invoice access with per-call USDC micropayments on Base
  • —Agent-driven invoice lookups settled via x402 protocol

Fit

Best for

  • —Developers wanting keyless, pay-per-use access to Stripe invoice data
  • —AI agents that can settle x402 payments on Base
  • —Users who prefer crypto micropayments over subscription billing

Not for

  • —Users needing detailed API documentation or OpenAPI specs before integrating
  • —High-volume invoice processing where per-call fees add up
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/invoices/100 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/invoices/100
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is zero documentation: no OpenAPI schema, no request/response examples, no parameter descriptions. The docs pages all show only 'Connect wallet'. The specific behavior of the Stripe invoices endpoint is entirely opaque.

Warnings

  • —No API documentation available — docs, pricing, and README pages all render only 'Connect wallet'
  • —No OpenAPI or JSON schema describing request parameters or response format
  • —Unclear what data the /api/v1/stripe/invoices/100 endpoint actually returns
  • —No request or response examples available anywhere in crawled content

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 10:23:02Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-25

Agent access

JSONhttps://clawmart.sh/api/listings/WF3p7E
Pay-per-call Stripe invoice API on Base via x402 — $0.02/request in USDC. — Clawmart · Clawmart