x402basequality 0.30

Pay-per-call PayPal payments endpoint on Base via x402, $0.02/request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/paypal/payments/42

What it does

This endpoint at lowpaymentfee.com provides a "Premium API Access" resource at the path `/api/v1/paypal/payments/42`. It is part of a broader platform offering dozens of pay-per-call APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services — all gated via the x402 payment protocol on the Base network.

The specific endpoint accepts POST requests and is priced at 20,000 base units of USDC (contract `0x8335…2913` on Base), which equals $0.02 per request (USDC uses 6 decimals). Payment is made inline via the `X-PAYMENT` header; no API keys or accounts are required. The x402 challenge confirms version 1 of the protocol with an "exact" payment scheme and a 300-second timeout window.

The platform's landing page advertises uniform $0.02 pricing across all endpoints, no rate limits, no minimums, and instant access. However, documentation pages (`/docs`, `/pricing`, `/api`, `/README`) all returned only a "Connect wallet" prompt with no substantive content, so the actual request/response schema for this PayPal payments endpoint is unknown. There is no OpenAPI spec, no example payloads, and no description of what data the endpoint returns. The endpoint is live (402 challenge confirmed), but the lack of documentation makes it difficult to assess what value it delivers.

Capabilities

x402-paymentper-call-billingusdc-basepaypal-paymentsno-api-keypost-endpoint

Use cases

  • —Triggering or querying PayPal payment information via a single paid API call
  • —Integrating pay-per-use payment endpoints into agent workflows without API key management
  • —Accessing financial payment data on-demand with USDC micropayments on Base

Fit

Best for

  • —Developers wanting keyless, pay-per-call access to a payments API
  • —AI agents that can settle x402 challenges on Base
  • —Users who prefer crypto micropayments over subscription billing

Not for

  • —Anyone needing documented request/response schemas before integration
  • —High-volume production use cases where $0.02/call adds up without volume discounts
  • —Users who cannot transact in USDC on the Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/42 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/paypal/payments/42
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge, but there is zero documentation on what the endpoint actually does, what request body it expects, or what it returns. All doc pages show only 'Connect wallet'. No OpenAPI spec exists. The listing is effectively a stub with confirmed liveness.

Warnings

  • —No documentation available — all doc pages (/docs, /pricing, /api, /README) return only 'Connect wallet'
  • —No OpenAPI or schema describing request/response format for this endpoint
  • —Purpose of '/api/v1/paypal/payments/42' is unclear — 'Premium API Access' is generic
  • —Cannot verify what data or functionality this endpoint actually provides

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 07:35:40Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/ruwsXY
Pay-per-call PayPal payments endpoint on Base via x402, $0.02/request in USDC. — Clawmart · Clawmart