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 path `/api/v1/wire/132` is one of many endpoints offered by the provider, which hosts a broad catalog spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all priced at $0.02 per request.
Payment is settled on the Base network using USDC (contract 0x8335…2913) through the x402 exact-payment scheme. The endpoint accepts HTTP POST requests and returns application/json. No API keys are required; callers simply attach an X-PAYMENT header with a valid x402 payment proof. The maximum payment required per call is 20,000 base units of USDC (6 decimals), which equals $0.02. The payment timeout is 300 seconds.
The provider's landing page advertises no rate limits, no minimums, and instant access. However, the specific functionality behind `/api/v1/wire/132` is not documented — the description is simply "Premium API Access" with no further detail on what data or service it returns. Documentation pages (/docs, /api, /pricing, /README) all rendered only a "Connect wallet" prompt with no additional content. Without knowing what this particular endpoint actually does, callers should treat it as an opaque paid endpoint until more documentation surfaces.
Capabilities
Use cases
- —Programmatic access to a paid API endpoint without needing API keys or subscriptions
- —Agent-driven workflows that need to pay per call using on-chain USDC on Base
- —Testing x402 payment protocol integrations against a live endpoint
Fit
Best for
- —Developers experimenting with x402 payment flows
- —AI agents that can settle micropayments on Base
- —Users who want keyless, pay-as-you-go API access
Not for
- —Users who need clear documentation on what the endpoint returns before paying
- —High-volume use cases where $0.02/request adds up without volume discounts
- —Anyone requiring non-crypto payment methods
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/wire/132 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402_payment_proof>"Endpoint
Quality
The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but the actual functionality behind /api/v1/wire/132 is completely undocumented. No OpenAPI schema, no request/response examples, and all doc pages return only 'Connect wallet'. The listing is effectively a stub.
Warnings
- —The specific functionality of /api/v1/wire/132 is not documented — 'Premium API Access' is the only description available.
- —All documentation pages (/docs, /api, /pricing, /README) returned only a 'Connect wallet' prompt with no usable content.
- —No request body schema or response schema is available; callers cannot know what to send or what to expect back.
- —No OpenAPI or machine-readable API specification was found.
Citations
- —Endpoint returns 402 with x402 challenge requiring 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/v1/wire/132
- —USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/wire/132
- —Provider advertises $0.02/request pricing with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —Provider offers endpoints across data & analytics, AI & ML, finance & Web3, and infrastructure categorieshttps://lowpaymentfee.com
- —Documentation pages render only 'Connect wallet' with no additional contenthttps://lowpaymentfee.com/docs