x402-gated Stripe customer endpoint on Base, paying per-call in USDC.
What it does
This endpoint at lowpaymentfee.com exposes a specific Stripe customer resource (`/api/v1/stripe/customers/43`) behind an x402 paywall. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) via the x402 "exact" scheme. The maximum amount required per call is 20,000 base units of USDC, which equals $0.02 (USDC uses 6 decimals).
The broader lowpaymentfee.com platform advertises a wide catalog of pay-per-call APIs spanning data analytics, AI/ML inference (sentiment analysis, summarization, classification, embeddings), finance/crypto market data, and utility services — all priced at $0.02 per request with no API keys, no rate limits, and no commitments. However, the specific endpoint being listed here targets a Stripe customer resource, which is not prominently featured in the site's public catalog. No OpenAPI schema, request/response examples, or detailed documentation were found during the crawl; the docs, pricing, and API pages all returned only a "Connect wallet" prompt with no substantive content.
Because the endpoint returned a valid 402 challenge with well-formed x402 metadata, it is confirmed live. However, the lack of documentation, input/output schemas, and clarity about what this Stripe customer endpoint actually returns means agents should treat this as a low-documentation endpoint. The purpose — whether it retrieves, creates, or modifies a Stripe customer record — is not specified.
Capabilities
Use cases
- —Retrieving or interacting with a Stripe customer record via a crypto-paywall
- —Programmatic access to Stripe customer data without traditional API keys
- —Agent-driven payment flows that settle in USDC on Base
Fit
Best for
- —Developers wanting keyless, pay-per-call access to Stripe customer data
- —AI agents that can settle x402 payments in USDC on Base
- —Prototyping crypto-gated API access patterns
Not for
- —Production Stripe integrations requiring full CRUD and webhook support
- —Users needing detailed API documentation or guaranteed SLAs
- —Non-crypto users who cannot settle payments on Base
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/stripe/customers/43 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live (valid 402 challenge captured), but there is no OpenAPI schema, no request/response examples, and no meaningful documentation — the docs pages only show a wallet-connect prompt. The purpose of this specific Stripe customer endpoint is unclear, and it does not appear in the site's public catalog.
Warnings
- —No API documentation available; docs/pricing/API pages return only 'Connect wallet' with no content
- —No input or output schema provided beyond 'application/json' mime type
- —The specific endpoint /api/v1/stripe/customers/43 is not listed in the site's public API catalog
- —Purpose of the endpoint (read, create, update Stripe customer) is unspecified
- —Hardcoded customer ID '43' in the URL suggests this may be a demo or test resource
Citations
- —The endpoint returns a 402 challenge with x402Version 1, exact scheme, Base network, USDC asset, and maxAmountRequired of 20000 base unitshttps://lowpaymentfee.com/api/v1/stripe/customers/43
- —The site advertises all APIs at $0.02 per request with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —USDC contract address on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/stripe/customers/43