x402basequality 0.35

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/accounts/5

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific resource `/api/v1/accounts/5` is one of many endpoints offered by the provider, which hosts a broad catalog spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all priced at $0.02 per request.

The endpoint is live and returns a valid x402 challenge. Payment is settled on the Base network using USDC (contract 0x8335…2913) with an exact-payment scheme. The max amount required is 20,000 base units, which at 6 decimals equals $0.02 USD per call. No API keys or rate limits are advertised; access is instant once payment is included in the X-PAYMENT header. The response MIME type is application/json.

However, the specific functionality of `/api/v1/accounts/5` is not documented beyond the label "Premium API Access." The provider's landing page lists many other endpoints (metrics, sentiment analysis, summarization, price feeds, geocoding, etc.) but does not describe what the accounts endpoint returns. Documentation pages (/docs, /pricing, /README) all render only a "Connect wallet" prompt with no further content. Without an OpenAPI spec, request/response schemas, or detailed docs, the actual data returned by this particular endpoint remains unclear.

Capabilities

x402-paymentusdc-base-networkpay-per-requestjson-responseno-api-keyno-rate-limit

Use cases

  • —Accessing premium account data with per-request USDC micropayments
  • —Agent-driven API consumption without pre-registration or API keys
  • —Programmatic pay-as-you-go data retrieval on Base L2

Fit

Best for

  • —Developers wanting keyless, pay-per-call API access
  • —AI agents that can settle x402 payments on Base
  • —Users who prefer crypto micropayments over subscription billing

Not for

  • —Users needing detailed documentation or OpenAPI specs before integrating
  • —Anyone requiring fiat-only payment methods
  • —High-volume consumers who would benefit from bulk pricing or subscriptions

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/accounts/5 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/accounts/5
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is live and returns a valid x402 402 challenge, confirming pricing and payment details. However, there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and the specific purpose of /api/v1/accounts/5 is undocumented. This is effectively a stub listing.

Warnings

  • —The specific functionality of /api/v1/accounts/5 is not documented anywhere in the crawled material.
  • —All documentation pages (/docs, /pricing, /README, /api) return only a 'Connect wallet' prompt with no useful content.
  • —No OpenAPI spec or request/response schema is available.
  • —The provider lists many endpoints but none have detailed documentation visible without a connected wallet.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 00:37:46Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

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