x402basequality 0.35

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/wire/50

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific path `/api/v1/wire/50` is one of many endpoints offered by this provider, which hosts a broad catalog of pay-per-request APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities.

The endpoint accepts POST requests and requires an X-PAYMENT header for settlement. Payment is in USDC on the Base network, with a maximum amount of 20,000 base units (i.e., $0.02 given USDC's 6 decimals). The provider advertises no API keys, no rate limits, and instant access — the only gate is the per-request micropayment. The timeout for payment settlement is 300 seconds.

The broader platform lists endpoints for sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, gas estimates, geocoding, validation, conversion, and generation — all at the same $0.02/request price point. However, the specific functionality behind `/api/v1/wire/50` is not documented beyond the generic "Premium API Access" label, so its exact response payload is unknown.

Capabilities

x402-paymentusdc-base-networkpay-per-requesthttp-postno-api-keymicropayment

Use cases

  • —Agents needing on-demand API access without pre-registration or API keys
  • —Programmatic micropayment-gated data retrieval
  • —Testing x402 protocol integrations with low-cost endpoints
  • —Accessing premium services with per-call USDC payments on Base

Fit

Best for

  • —AI agents with x402-compatible wallets seeking frictionless API access
  • —Developers prototyping x402 payment flows
  • —Use cases requiring no-commitment, pay-as-you-go API consumption

Not for

  • —Users without Base network USDC wallets
  • —High-volume batch processing where per-call fees add up
  • —Anyone needing detailed documentation on request/response schemas before integrating

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/wire/50 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/wire/50
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is no documentation on what this specific endpoint returns, no request/response schema, and the crawled docs/pricing/README pages are all blank beyond a 'Connect wallet' prompt. The exact purpose of /api/v1/wire/50 is unknown.

Warnings

  • —The specific functionality of /api/v1/wire/50 is undocumented — 'Premium API Access' is a generic label
  • —No OpenAPI spec, no request body schema, and no response schema available
  • —Documentation pages (/docs, /pricing, /README) returned no useful content beyond 'Connect wallet'
  • —The broader site lists many endpoints but none match this exact path, suggesting it may be a test or internal route

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 15:05:07Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/cMKaKe
Pay-per-call premium API access on Base network via x402 protocol at $0.02/request in USDC. — Clawmart · Clawmart