x402-gated premium API access on Base, pay $0.02 per request in USDC — no API keys required.
What it does
This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol on the Base network. The specific resource `/api/v1/accounts/174` is one of many endpoints offered by the platform, which spans categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities. All endpoints are priced at $0.02 per request, payable in USDC (USD Coin) on Base, with no API keys, rate limits, or upfront commitments required.
The x402 challenge confirms the endpoint is live and accepts exact-scheme payments of up to 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. Payments are sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a maximum timeout of 300 seconds. The endpoint accepts HTTP POST requests and returns application/json.
While the platform advertises a broad suite of APIs (metrics, reports, sentiment analysis, text summarization, embeddings, price feeds, geocoding, etc.), this specific listing covers the `/api/v1/accounts/174` resource. Documentation beyond the landing page 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 documentation, and no usage examples available from the crawled material. The actual functionality behind this particular accounts endpoint is unclear.
Capabilities
Use cases
- —Agent-driven API consumption with automatic per-call USDC payments
- —Accessing premium data or account information without managing API keys
- —Programmatic pay-as-you-go access to various utility and data endpoints
Fit
Best for
- —Developers or agents who want keyless, pay-per-request API access
- —Users already holding USDC on Base who want frictionless micropayments
- —Prototyping integrations where subscription commitments are undesirable
Not for
- —Users who need detailed API documentation or OpenAPI specs before integrating
- —High-volume consumers who would benefit from bulk pricing or subscriptions
- —Anyone without a Base-compatible wallet or USDC holdings
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/accounts/174 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI spec, no request/response schema, no documentation, and no examples. The actual functionality of the /api/v1/accounts/174 endpoint is undocumented. This is effectively a stub listing.
Warnings
- —No OpenAPI or schema documentation available — all docs/pricing/README pages return only a wallet-connect prompt
- —The specific functionality of /api/v1/accounts/174 is completely undocumented; 'Premium API Access' is a generic label
- —No request body schema or response schema is documented anywhere in the crawled material
- —The platform lists many endpoints but none have detailed documentation beyond a name and price
Citations
- —The endpoint returns a 402 challenge accepting USDC on Base with maxAmountRequired of 20000 base units ($0.02)https://lowpaymentfee.com/api/v1/accounts/174
- —All endpoints are priced at $0.02 per request with no API keys, no rate limits, and instant access on Basehttps://lowpaymentfee.com
- —The platform offers endpoints across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categorieshttps://lowpaymentfee.com
- —USDC contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/accounts/174