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

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific resource `/api/v1/accounts/47` sits within a broader platform that offers multiple API categories including 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 maxAmountRequired is 20,000 base units, which at 6 decimals equals $0.02 per call. No API keys or rate limits are advertised; access is granted purely through the x402 payment header. The endpoint accepts POST requests and returns application/json.

However, the specific functionality of `/api/v1/accounts/47` is unclear. The provider's landing page lists many endpoints across analytics, AI, finance, and utility categories, but the `/api/v1/accounts/` path is not among them. There is no OpenAPI spec, no detailed documentation (docs, pricing, and README pages all render only a "Connect wallet" prompt), and no request/response schema beyond the basic outputSchema in the x402 challenge. The actual data returned by this particular endpoint remains unknown.

Capabilities

x402-paymentusdc-base-networkpay-per-requestjson-responseno-api-keypost-method

Use cases

  • Accessing premium data or account information via a single micropayment
  • Agent-driven API consumption without pre-registration or API keys
  • Programmatic pay-per-use access settled 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
  • High-volume consumers who would benefit from bulk/subscription pricing
  • Anyone requiring non-crypto payment methods

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/accounts/47 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is live and returns a valid x402 challenge with clear pricing ($0.02 USDC on Base). However, there is no OpenAPI spec, no documentation beyond a wallet-connect prompt, no request/response examples, and the specific purpose of /api/v1/accounts/47 is not documented anywhere on the site. This is effectively a stub listing.

Warnings

  • The specific endpoint /api/v1/accounts/47 is not listed among the provider's advertised APIs — its purpose is unclear.
  • No OpenAPI spec or detailed documentation is available; docs/pricing/README pages only show 'Connect wallet'.
  • Request and response schemas are unknown — no examples or field descriptions exist.
  • The broader platform lists many endpoint categories but none match the /accounts/ path.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 00:37:25Z · 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