x402basequality 0.30

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/stripe/invoices/67

What it does

This endpoint at lowpaymentfee.com exposes a specific Stripe invoice resource (`/api/v1/stripe/invoices/67`) behind an x402 payment wall. The provider operates a broader platform offering dozens of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and utility services—all gated via the x402 protocol on the Base network and settled in USDC.

The specific endpoint listed here costs up to $0.02 per request (maxAmountRequired of 20,000 base units of USDC with 6 decimals). Payment is made via an `X-PAYMENT` header using the x402 "exact" scheme. The endpoint accepts POST requests and returns `application/json`. No API keys or rate limits are advertised; access is granted purely through per-call micropayments.

Documentation on the site is extremely thin—the docs, pricing, API, and README pages all render only a "Connect wallet" prompt with no substantive content. There is no OpenAPI spec, no request/response schema documentation, and no explanation of what the `/stripe/invoices/67` resource actually returns or what input it expects. The endpoint is live (returns a valid 402 challenge), but without documentation it is unclear what useful data or action this specific invoice endpoint provides.

Capabilities

x402-payment-gatingusdc-micropaymentbase-networkstripe-invoice-accessper-call-billingno-api-key-required

Use cases

  • —Programmatic retrieval of Stripe invoice data via micropayment
  • —Agent-driven access to payment-gated resources without API key management
  • —Demonstrating x402 protocol integration for per-call billing

Fit

Best for

  • —Developers experimenting with x402 payment protocol
  • —Agents that need keyless, pay-per-use API access on Base
  • —Projects exploring crypto-micropayment-gated API patterns

Not for

  • —Production use cases requiring documented request/response schemas
  • —Users who need bulk or subscription-based Stripe invoice access
  • —Anyone needing detailed API documentation before integration

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/invoices/67 \
  -H "X-PAYMENT: <x402-payment-token>" \
  -H "Content-Type: application/json"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/invoices/67
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 402 challenge, but there is zero documentation on what the endpoint does, what inputs it accepts, or what it returns. The docs/pricing/README pages are all empty wallet-connect stubs. The specific resource path (/stripe/invoices/67) is not listed among the provider's advertised APIs, making its purpose unclear.

Warnings

  • —No API documentation available — docs, pricing, and README pages render only 'Connect wallet' with no content
  • —No OpenAPI or request/response schema provided
  • —The specific endpoint /api/v1/stripe/invoices/67 is not listed among the provider's advertised API catalog — its purpose is unknown
  • —Cannot verify what data or action this endpoint provides without documentation

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 10:37:39Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-25

Agent access

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