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 path `/api/v1/wire/197` 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 are priced at $0.02 per request, paid 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) with a maximum amount of 20,000 base units (i.e., $0.02 given USDC's 6 decimals). The payment timeout is 300 seconds. No OpenAPI schema, detailed documentation, or example request/response payloads were found in the crawl — the docs, pricing, API, and README pages all returned only a "Connect wallet" prompt with no substantive content.
Because the specific functionality behind `/api/v1/wire/197` is not documented beyond the label "Premium API Access," it is unclear what data or service this particular endpoint returns. The platform lists sibling endpoints for metrics, reports, sentiment analysis, summarization, price feeds, geocoding, and more, but this wire/197 path does not map to any of those named services. Prospective callers should be aware that the actual response payload and input schema are unknown.
Capabilities
Use cases
- —Agent-driven API consumption with per-call crypto payments
- —Accessing premium data or utility services without subscription or API key management
- —Programmatic pay-as-you-go access to analytics, AI, finance, or infrastructure endpoints
Fit
Best for
- —Developers or agents wanting zero-commitment, per-request API billing
- —x402-compatible agents that settle payments in USDC on Base
- —Use cases requiring no rate limits and instant access without signup
Not for
- —Users who need detailed API documentation or guaranteed SLAs before purchasing
- —Anyone requiring non-crypto payment methods
- —Callers who need to know the exact response schema before making a payment
Quick start
# The endpoint requires an X-PAYMENT header with a valid x402 payment proof.
curl -X POST https://lowpaymentfee.com/api/v1/wire/197 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402_payment_token>"Endpoint
Quality
The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but there is no documentation, no OpenAPI schema, no example requests or responses, and the specific functionality of /api/v1/wire/197 is undocumented. Docs pages return only 'Connect wallet' with no content.
Warnings
- —The specific functionality of /api/v1/wire/197 is not documented — 'Premium API Access' is a generic label with no details on input or output.
- —No OpenAPI spec, request schema, or response schema is available.
- —All documentation pages (docs, pricing, API, README) returned only a 'Connect wallet' prompt with no substantive content.
- —The platform lists many endpoint categories but this wire/197 path does not correspond to any named service.
Citations
- —Endpoint returns HTTP 402 with x402 challenge, confirming it is livehttps://lowpaymentfee.com/api/v1/wire/197
- —All endpoints priced at $0.02 per request with no API keys, no rate limits, instant access on Base networkhttps://lowpaymentfee.com
- —USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/wire/197
- —Platform offers endpoints across data & analytics, AI & ML, finance & Web3, and infrastructure categorieshttps://lowpaymentfee.com