Pay-per-request premium API access on Base via x402 — $0.02/call in USDC.
What it does
This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific resource `/api/v1/policies/95` 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 on the platform are priced at $0.02 per request, payable in USDC on the Base network with no API keys, rate limits, or commitments required.
The x402 challenge confirms the endpoint is live, accepting POST requests and settling payments in USDC (contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913` on Base). The `maxAmountRequired` of 20000 base units corresponds to $0.02 (USDC uses 6 decimals). The response MIME type is `application/json`. The specific functionality behind `/api/v1/policies/95` is not documented — the name "Premium API Access" is generic and does not clarify what data or service this particular policy endpoint returns.
Documentation on the site is extremely thin: the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI spec, no request/response schema, and no usage examples available. The platform lists many other endpoints (analytics, AI inference, finance, utilities) all at the same $0.02 price point, but details on input parameters and output formats are absent.
Capabilities
Use cases
- —Accessing premium API data with per-request USDC micropayments
- —Agent-driven API consumption without pre-registration or API keys
- —Programmatic access to policy-related data on a pay-as-you-go basis
Fit
Best for
- —Developers wanting zero-commitment, pay-per-call API access
- —AI agents that can settle x402 payments in USDC on Base
- —Users who prefer crypto micropayments over subscription billing
Not for
- —Users needing detailed API documentation or schemas before integrating
- —High-volume consumers who would benefit from bulk pricing or subscriptions
- —Anyone requiring fiat-only payment methods
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/policies/95 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is confirmed live via a valid 402 challenge with clear pricing ($0.02 USDC on Base). However, there is no documentation, no OpenAPI spec, no request/response schema, and no explanation of what '/api/v1/policies/95' actually returns. The site's docs pages are empty beyond a wallet-connect prompt. This is effectively a stub listing.
Warnings
- —No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet'
- —The specific functionality of /api/v1/policies/95 ('Premium API Access') is completely undocumented
- —No OpenAPI spec or request/response schema provided
- —No example requests or responses available to verify actual output
Citations
- —All endpoints priced at $0.02 per request with no API keys, rate limits, or commitmentshttps://lowpaymentfee.com
- —Platform offers endpoints across data & analytics, AI & ML, finance & Web3, and infrastructure categorieshttps://lowpaymentfee.com
- —Payment in USDC on Base network, maxAmountRequired of 20000 base units (=$0.02)https://lowpaymentfee.com/api/v1/policies/95
- —USDC asset contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/policies/95