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 at `/api/v1/accounts/195` is one of many endpoints offered by the platform, which spans data & analytics, AI & machine learning, finance & Web3, and infrastructure utility categories. 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, accepting POST requests and settling payments in USDC (contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913` on Base). The max amount required is 20,000 base units, which at 6 decimals equals $0.02. The response MIME type is `application/json`. The platform advertises a broad suite of sibling endpoints including sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, geocoding, validation, and more — all at the same $0.02 price point.
However, the specific functionality of the `/api/v1/accounts/195` endpoint is unclear. The landing page does not list an "accounts" category, and no documentation, request schema, or response schema is available for this particular resource. The docs, pricing, API, and README pages all render only a "Connect wallet" prompt with no further content. Without knowing what this endpoint actually returns, consumers should treat it as an opaque premium resource until more documentation surfaces.
Capabilities
Use cases
- —Programmatic access to a premium resource with per-call USDC micropayments
- —Agent-driven API consumption without pre-registration or API keys
- —Integrating pay-as-you-go endpoints into automated workflows on Base
Fit
Best for
- —Developers wanting zero-commitment, pay-per-use API access
- —AI agents that can settle x402 payments in USDC on Base
- —Projects needing instant access without signup or rate limits
Not for
- —Users who need detailed documentation or guaranteed SLAs before integrating
- —Use cases requiring free or subscription-based pricing models
- —Anyone without a Base-compatible USDC wallet
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/accounts/195 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live and returns a valid x402 challenge with clear pricing, but the specific functionality of /api/v1/accounts/195 is undocumented. No request or response schema is available, and all documentation pages render only a wallet-connect prompt. The listing is effectively a stub for this particular resource.
Warnings
- —The specific purpose and response format of /api/v1/accounts/195 is unknown — it does not appear in the platform's listed API categories.
- —All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no usable content.
- —No request body schema or response schema is documented for this endpoint.
- —The platform lists many endpoints but provides no detailed documentation for any of them.
Citations
- —All endpoints priced at $0.02 per request with no API keys, rate limits, or commitmentshttps://lowpaymentfee.com
- —Payment in USDC on Base network (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), maxAmountRequired 20000 base units = $0.02https://lowpaymentfee.com/api/v1/accounts/195
- —Platform offers endpoints across data & analytics, AI & ML, finance & Web3, and infrastructure categorieshttps://lowpaymentfee.com