Pay-per-call premium API access on Base via x402 — $0.02/request in USDC.
What it does
This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific resource `/api/v1/accounts/153` sits within a broader platform that offers multiple API 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 and accepts POST requests. Payment is settled on-chain using USDC (contract 0x8335…2913 on Base) to address 0x1A2B…85F3, with a maximum amount of 20,000 base units (i.e., $0.02 given USDC's 6 decimals). The timeout for payment is 300 seconds. The endpoint returns application/json responses.
However, the specific functionality of `/api/v1/accounts/153` is unclear. The path pattern suggests an account-related resource (possibly account details or profile data for account ID 153), but no documentation, request schema, or response schema is available for this particular endpoint. The platform's docs, pricing, and API pages all render only a "Connect wallet" prompt with no further content. Without additional documentation, the exact input parameters and response structure remain unknown.
Capabilities
Use cases
- —Accessing account-level data or resources behind a micropayment wall
- —Programmatic pay-per-call API consumption without subscription or API key management
- —Agent-driven workflows that need on-chain payment settlement for API access
Fit
Best for
- —Developers wanting zero-commitment, pay-as-you-go API access
- —AI agents with x402-compatible payment capabilities on Base
- —Users who prefer crypto-native micropayments over traditional billing
Not for
- —Users needing detailed API documentation or response schemas before integrating
- —High-volume consumers who would benefit from bulk pricing or subscriptions
- —Anyone without a Base-compatible USDC wallet
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/accounts/153 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-header>"Endpoint
Quality
The endpoint is live and returns a valid x402 challenge with clear pricing, but there is no documentation, no request/response schema, and no explanation of what /api/v1/accounts/153 actually returns. The docs pages are empty (wallet-connect only). This is effectively a stub listing.
Warnings
- —No documentation available — all doc pages render only 'Connect wallet' with no content
- —The specific functionality of /api/v1/accounts/153 is undocumented and unclear
- —No request or response schema provided; integration requires trial and error
- —No OpenAPI spec or AI plugin manifest found
Citations
- —Platform lists all endpoints at $0.02 per request with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —x402 challenge confirms USDC payment on Base with maxAmountRequired of 20000 base units ($0.02)https://lowpaymentfee.com/api/v1/accounts/153
- —USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/accounts/153