x402basequality 0.30

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/wire/58

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-request APIs spanning data & analytics, AI/ML inference (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). Each request costs $0.02 in USDC on the Base network, with no API keys, no rate limits, and no minimum commitments required.

The specific endpoint `/api/v1/wire/58` is labeled "Premium API Access" and accepts HTTP POST requests. Payment is settled on-chain via USDC (contract 0x8335…2913) on Base, using the x402 "exact" scheme. The max amount required is 20,000 base units of USDC (6 decimals), which equals $0.02 per call. The endpoint returns application/json responses.

Documentation is extremely sparse — the /docs, /pricing, /api, and /README pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI spec, no request/response schema documentation, and no examples available. The purpose of the `/api/v1/wire/58` path specifically (as opposed to the named endpoints like `/api/v2/ai/sentiment`) is unclear; it may be a generic or internal route. Without documentation on what input this endpoint expects or what it returns, agents will need to experiment or rely on the provider for guidance.

Capabilities

x402-paymentusdc-basepay-per-requestjson-apihttp-post

Use cases

  • —Programmatic access to paid API services without API key management
  • —Agent-driven pay-per-call workflows settled in USDC on Base
  • —Accessing premium data or utility endpoints with on-chain micropayments

Fit

Best for

  • —Developers wanting keyless, pay-as-you-go API access
  • —AI agents that can settle x402 payments on Base
  • —Users who prefer on-chain USDC micropayments over subscriptions

Not for

  • —Users needing detailed API documentation or schemas before integration
  • —High-volume use cases where $0.02/request adds up without bulk discounts
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/wire/58 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/v1/wire/58
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 402 challenge, confirming it accepts payments. However, documentation is essentially nonexistent — all doc pages show only 'Connect wallet'. There is no OpenAPI spec, no request/response schema, and no explanation of what /api/v1/wire/58 specifically does beyond the generic label 'Premium API Access'. The listing is effectively a stub.

Warnings

  • —No documentation available — /docs, /pricing, /api, and /README pages all render only 'Connect wallet'
  • —No OpenAPI or schema definition found for this endpoint
  • —The specific purpose of /api/v1/wire/58 is unclear; it does not match any of the named endpoints listed on the homepage
  • —No request body schema or response examples are available

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 15:03:48Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/cPMg2V
Pay-per-call premium API access on Base via x402 — $0.02/request in USDC. — Clawmart · Clawmart