Pay-per-call premium API access on Base network via x402 protocol at $0.02/request in USDC.
What it does
This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific path `/api/v1/trades/94` suggests a trades-related data endpoint, though the exact response payload is not documented. The provider operates a broader platform offering Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utility APIs, all priced at $0.02 per request with no API keys, no rate limits, and instant access.
Payment is settled on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913). The x402 challenge specifies a maxAmountRequired of 20000 base units, which equals $0.02 (USDC uses 6 decimals). The endpoint accepts POST requests and returns application/json. No authentication beyond the x402 payment header is required.
Documentation is extremely sparse — the docs, pricing, and API pages all render only a "Connect wallet" prompt with no further technical detail. The specific schema of the trades endpoint response is unknown, and it is unclear what data trade ID 94 refers to or whether the ID is parameterized for different trade lookups.
Capabilities
Use cases
- —Fetching trade-related data without subscription or API key management
- —Agent-driven programmatic access to financial trade information with per-call payment
- —Integrating pay-as-you-go data endpoints into automated workflows
Fit
Best for
- —Agents needing keyless, on-demand trade data access
- —Developers who want to avoid subscription commitments
- —x402-compatible clients on Base network
Not for
- —Users needing detailed API documentation or guaranteed response schemas
- —High-volume consumers who would benefit from bulk pricing
- —Users without USDC on Base network
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/trades/94 \
-H "X-PAYMENT: <x402_payment_token>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no documentation of request/response schemas, no OpenAPI spec, and the specific purpose of /api/v1/trades/94 is undocumented. Effectively a stub listing.
Warnings
- —No documentation available beyond landing page — docs/pricing/API pages only show 'Connect wallet'
- —Response schema for /api/v1/trades/94 is completely unknown
- —Purpose of trade ID 94 is unclear — may be a static resource or parameterized path
- —No examples of successful responses available
Citations
- —maxAmountRequired is 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/v1/trades/94
- —All APIs priced at $0.02/request with no API keys, no rate limits, instant accesshttps://lowpaymentfee.com
- —USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/trades/94