x402basequality 0.25

Pay-per-call API platform on Base via x402 — $0.02/request for data, AI, finance, and utility endpoints.

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

lowpaymentfee.com is a pay-per-request API platform that uses the x402 protocol to accept USDC payments on the Base network. The specific endpoint `/api/v1/wire/75` is listed as "Premium API Access" and costs up to $0.02 per call (20,000 base units of USDC with 6 decimals). No API keys, accounts, or rate limits are required — callers simply attach an x402 payment header to each request.

The broader platform advertises multiple API categories: Data & Analytics (metrics, reports, data export, insights), AI & Machine Learning (sentiment analysis, text summarization, classification, embeddings), Finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and Infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are listed at the same $0.02 per request price point.

However, the specific functionality of the `/api/v1/wire/75` endpoint is not documented beyond the label "Premium API Access." The docs, pricing, and API pages on the site all render only a "Connect wallet" prompt with no further technical documentation, schemas, or example payloads. Without additional documentation it is unclear what data or service this particular endpoint returns, what request body it expects, or how its response is structured.

Capabilities

x402-paymentusdc-basepay-per-requestno-api-keypost-endpoint

Use cases

  • Programmatic access to a premium API endpoint with per-call USDC micropayments
  • Agent-driven workflows that need keyless, on-demand API access settled on Base
  • Testing x402 payment flows against a live endpoint

Fit

Best for

  • Developers or agents wanting frictionless pay-per-use API access without signup
  • x402-compatible wallets and agent frameworks on Base
  • Low-volume or bursty workloads where subscription pricing is wasteful

Not for

  • Users who need detailed API documentation or guaranteed SLAs before integrating
  • High-volume consumers who would benefit from bulk or subscription pricing
  • Anyone without a Base-network USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/wire/75 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402_payment_token>"

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live and returns a valid x402 402 challenge, confirming it accepts USDC on Base at $0.02/request. However, there is no documentation, no request/response schema, and no description of what the endpoint actually does beyond the generic label 'Premium API Access'. The docs pages are empty. This is effectively a stub listing.

Warnings

  • No documentation available — docs, pricing, and API pages all render only 'Connect wallet' with no content.
  • The specific functionality of /api/v1/wire/75 is unknown; 'Premium API Access' is not descriptive.
  • No request body schema or response schema is provided anywhere.
  • No OpenAPI spec, no examples, no error documentation.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 15:08:52Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

Pay-per-call API platform on Base via x402 — $0.02/request for data, AI, finance, and utility endpoints. — Clawmart · Clawmart