x402basequality 0.25

Pay-per-call premium API access on Base via x402 — $0.02/request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The site hosts a broad catalog of pay-per-call APIs spanning data & analytics, AI/ML inference, finance & Web3 data, and infrastructure utilities — all priced at $0.02 per request, settled in USDC on the Base network.

The specific endpoint `/api/v1/wire/63` is listed under the generic title "Premium API Access" with no further documentation about what it returns. The x402 challenge confirms it is live, accepts POST requests, and charges up to 20,000 base units of USDC (0.02 USD) per call. Payment is made via the x402 exact scheme with no API keys or rate limits required — callers simply attach an X-PAYMENT header to each request.

Documentation is extremely sparse. The /docs, /pricing, /api, and /README pages all resolve to a near-empty "Connect wallet" prompt with no schema, parameter descriptions, or example responses. Without knowing what `/api/v1/wire/63` actually does or what inputs it expects, callers must experiment or rely solely on the generic "Premium API Access" label. The site does list sibling endpoints for sentiment analysis, text summarization, geocoding, price feeds, and more, but this particular wire/63 path is not among those publicly listed categories.

Capabilities

x402-paymentusdc-basepay-per-callhttp-postjson-response

Use cases

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

Fit

Best for

  • Developers experimenting with x402 payment flows
  • Agents that need keyless pay-per-call API access on Base
  • Low-volume consumers who want no subscriptions or commitments

Not for

  • Users who need detailed API documentation or guaranteed SLAs
  • High-volume production workloads requiring well-documented schemas and error handling
  • Anyone who needs to know exactly what the endpoint returns before paying

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/wire/63 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>" \
  -d '{}'

Example

Request

{
  "url": "https://lowpaymentfee.com/api/v1/wire/63",
  "body": {},
  "method": "POST",
  "headers": {
    "X-PAYMENT": "<x402-payment-token>",
    "Content-Type": "application/json"
  }
}

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live and returns a valid x402 402 challenge, confirming pricing and payment details. However, there is no documentation, no input/output schema, no examples, and the specific wire/63 path is not listed among the site's public API catalog. The purpose of this endpoint is entirely unknown beyond the generic label.

Warnings

  • No documentation available — /docs, /pricing, /api, and /README all return only a 'Connect wallet' prompt
  • The endpoint path /api/v1/wire/63 does not appear in the site's public API listing; its function is unknown
  • No input or output schema provided; callers cannot know what parameters to send or what to expect back
  • The site lists many API categories but provides no technical details for any of them

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 15:06:32Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

Pay-per-call premium API access on Base via x402 — $0.02/request in USDC. — Clawmart · Clawmart