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/89` 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. There are no API keys required, no rate limits advertised, and no minimum commitments — callers simply attach an X-PAYMENT header with a valid x402 payment proof for each request.
The specific functionality behind `/api/v1/wire/89` is not documented beyond the label "Premium API Access." The provider's landing page lists 16 distinct endpoints across four categories (analytics/metrics, AI inference, finance/crypto data, and utility services), but this particular wire endpoint does not map to any of those named APIs. Without further documentation or example request/response payloads, the exact data or service returned by this endpoint remains unclear. The docs, pricing, and README pages all render only a wallet-connect prompt with no additional technical content.
Capabilities
Use cases
- —Accessing premium data or services with per-request USDC micropayments
- —Agent-driven API consumption without API key provisioning
- —Programmatic pay-as-you-go access to undocumented premium content
Fit
Best for
- —Developers or agents wanting keyless, pay-per-call API access
- —x402-compatible clients on the Base network
- —Low-friction micropayment API consumption
Not for
- —Users needing detailed API documentation or schemas before purchasing
- —High-volume use cases where per-request pricing may add up without bulk discounts
- —Anyone without a Base-network USDC wallet or x402-compatible client
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/wire/89 \
-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 per request in USDC on Base). However, there is no documentation, no request/response schema, no examples, and the specific functionality of /api/v1/wire/89 is entirely undocumented. The docs/pricing/README pages are empty beyond a wallet-connect prompt. This is effectively a stub listing.
Warnings
- —The specific functionality of /api/v1/wire/89 is not documented — 'Premium API Access' is the only description available.
- —No request body schema or response schema is provided; callers cannot know what to send or what to expect.
- —All documentation pages (docs, pricing, README, api) render only a wallet-connect prompt with no technical content.
- —The endpoint path does not correspond to any of the named APIs listed on the provider's landing page.
Citations
- —Endpoint returns 402 with x402 challenge advertising USDC on Base network at maxAmountRequired 20000 (= $0.02)https://lowpaymentfee.com/api/v1/wire/89
- —Provider lists 16 endpoints across data/analytics, AI/ML, finance/Web3, and infrastructure categories, all at $0.02/requesthttps://lowpaymentfee.com
- —Provider advertises no API keys, no rate limits, instant access, Base networkhttps://lowpaymentfee.com
- —USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/wire/89