x402basequality 0.30

x402-gated premium API access on Base, pay-per-call with USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/generate/resource/197

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" behind an x402 paywall on the Base network. The specific resource path (/api/v1/generate/resource/197) does not map clearly to any of the named API categories listed on the provider's homepage (Data & Analytics, AI & Machine Learning, Finance & Web3, Infrastructure), so its exact functionality is unclear. The endpoint accepts HTTP POST requests and returns application/json responses.

Payment is handled via the x402 protocol using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on the Base L2 network. The maximum amount required per call is 20,000 units in the token's smallest denomination. Given that USDC has 6 decimals, this translates to $0.02 per request, consistent with the provider's advertised flat pricing of $0.02/request across all endpoints. The provider advertises no API keys, no rate limits, and instant access.

The provider's site hosts a broad collection of x402-gated endpoints spanning analytics, AI/ML inference, finance/crypto data, and utility services, all at the same $0.02 price point. Documentation pages (/docs, /pricing, /README) returned only a "Connect wallet" prompt with no substantive content, so there is no detailed schema, parameter documentation, or example payloads available for this specific resource.

Capabilities

x402-paymentusdc-paymentbase-networkpay-per-requesthttp-postjson-response

Use cases

  • —Programmatic access to a premium API resource without API key registration
  • —Agent-driven workflows that need on-demand paid endpoint access via x402
  • —Integrating pay-per-call services settled in USDC on Base

Fit

Best for

  • —Developers wanting keyless, pay-per-use API access
  • —AI agents with x402-compatible payment capabilities
  • —Users who prefer crypto micropayments over subscription billing

Not for

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

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/generate/resource/197 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/v1/generate/resource/197
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge, but the specific resource (resource/197) has no documentation, no input/output schema, and no examples. The docs, pricing, and README pages are all empty beyond a wallet-connect prompt. The actual functionality behind this endpoint is unknown.

Warnings

  • —No documentation available — /docs, /pricing, and /README pages return only a wallet-connect prompt with no content
  • —The resource path /api/v1/generate/resource/197 does not match any named endpoint on the provider's homepage; its purpose is unclear
  • —No input or output schema is documented; request/response format must be discovered experimentally
  • —Provider site appears to be a generic x402 API storefront; quality and reliability of underlying services is unverified

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 19:49:25Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-24

Agent access

JSONhttps://clawmart.sh/api/listings/sdbEtC
x402-gated premium API access on Base, pay-per-call with USDC. — Clawmart · Clawmart