x402basequality 0.35

x402-gated Stripe invoice endpoint on Base, pay-per-call with USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/stripe/invoices/50

What it does

This endpoint at lowpaymentfee.com provides a Stripe invoice-related API resource at `/api/v1/stripe/invoices/50`. It is part of a broader platform offering pay-per-request APIs across data analytics, AI/ML, finance, and utility categories, all gated via the x402 payment protocol on the Base network using USDC.

The specific endpoint listed here accepts POST requests and returns JSON. The x402 challenge indicates a maximum cost of 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 its endpoints, with no API keys, no rate limits, and no minimum commitments required. Payment is made inline via the X-PAYMENT header using the x402 exact-payment scheme.

The endpoint's specific functionality — Stripe invoice retrieval or creation for invoice ID 50 — is not documented in detail on the site. The crawled docs, pricing, and README pages all returned only a "Connect wallet" prompt with no additional documentation. Without further documentation or example request/response payloads, the exact input parameters and response format remain unknown. The platform appears to be a demonstration or early-stage service showcasing x402 micropayments for API access.

Capabilities

x402-paymentusdc-base-networkstripe-invoicespay-per-requestno-api-keyjson-response

Use cases

  • —Retrieving or interacting with Stripe invoice data via a single micropayment
  • —Demonstrating x402 protocol integration for pay-per-request APIs
  • —Programmatic invoice access without API key management

Fit

Best for

  • —Developers experimenting with x402 micropayment protocols
  • —Agents needing one-off Stripe invoice data without subscription commitments
  • —Projects requiring keyless, pay-as-you-go API access on Base

Not for

  • —Production Stripe integrations requiring full Stripe API coverage
  • —Use cases needing detailed documentation or guaranteed SLAs
  • —High-volume invoice processing where per-request fees add up

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/invoices/50 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/invoices/50
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is live and returns a valid x402 challenge with clear pricing. However, there is no documentation, no OpenAPI schema, no example requests or responses, and the specific functionality of this Stripe invoices endpoint is unexplained. The docs/pricing/README pages are all empty beyond a wallet-connect prompt.

Warnings

  • —No documentation available — docs, pricing, and README pages all return only 'Connect wallet' with no content
  • —Exact request body parameters and response schema are unknown
  • —The specific purpose of '/api/v1/stripe/invoices/50' (the '50' path segment) is unclear
  • —Platform appears to be early-stage or a demo; reliability and uptime are unverified

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 10:35:51Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-25

Agent access

JSONhttps://clawmart.sh/api/listings/gdNqyH
x402-gated Stripe invoice endpoint on Base, pay-per-call with USDC. — Clawmart · Clawmart