x402-gated Stripe subscription endpoint on Base, paying $0.02 in USDC per request.
What it does
This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. It is part of a broader platform offering a variety of pay-per-request APIs spanning data & analytics, AI/ML inference, finance & Web3 data, and infrastructure utilities — all gated behind x402 challenges settled in USDC on the Base network.
The specific endpoint `/api/v1/stripe/subscriptions/123` appears to be a Stripe subscription-related resource. The x402 challenge advertises a maximum cost of 20,000 base units of USDC (0x8335… on Base), which equals $0.02 per request. Payment is made via an `X-PAYMENT` header using the "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 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 spec, no request/response schema, and no explanation of what this particular subscription endpoint returns or what POST body it expects. The platform's landing page confirms the $0.02/request pricing model and lists many sibling endpoints, but provides no detail on input parameters or response formats for any of them.
Capabilities
Use cases
- —Querying or managing Stripe subscription data via a single micropayment per call
- —Integrating pay-per-request subscription lookups into agent workflows without API key management
- —Programmatic access to subscription information settled on-chain in USDC
Fit
Best for
- —Agents or bots that need keyless, on-demand access to subscription data
- —Developers experimenting with x402 micropayment-gated APIs
- —Use cases where per-call billing is preferred over monthly subscriptions
Not for
- —Production workloads requiring documented request/response schemas
- —Users who need detailed API documentation or SDKs before integrating
- —High-volume batch operations where per-call pricing is inefficient
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/stripe/subscriptions/123 \
-H "X-PAYMENT: <x402-payment-token>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live and returns a valid x402 challenge with clear pricing ($0.02 USDC on Base). However, there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and no examples. The purpose of this specific endpoint (Stripe subscriptions/123) is unclear — it could be a demo or placeholder. Effectively a stub listing.
Warnings
- —No OpenAPI or schema available — request body and response format are completely unknown
- —All documentation pages (docs, API, pricing, README) render only 'Connect wallet' with no content
- —The endpoint path '/api/v1/stripe/subscriptions/123' with a hardcoded ID suggests this may be a demo or placeholder resource
- —No information on what data this endpoint actually returns
Citations
- —The x402 challenge advertises maxAmountRequired of 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base networkhttps://lowpaymentfee.com/api/v1/stripe/subscriptions/123
- —Platform pricing is $0.02 per request with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —The platform offers APIs across Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure categorieshttps://lowpaymentfee.com