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

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific resource `/api/v1/accounts/95` is one of many endpoints offered by the platform, which spans data & analytics, AI & machine learning, finance & Web3, and infrastructure utility categories. All endpoints are priced at $0.02 per request, settled in USDC on the Base network with no API keys, rate limits, or commitments required.

The x402 challenge confirms the endpoint is live, accepting POST requests and requiring payment of up to 20,000 base units of USDC (0x8335…2913 on Base, which is 6 decimals → $0.02) per call. Payment is made via the `exact` scheme to the specified payTo address, with a 300-second timeout window. The response MIME type is `application/json`.

While the platform advertises a broad catalog of endpoints (metrics, reports, sentiment analysis, summarization, classification, embeddings, price feeds, exchange rates, geocoding, validation, etc.), the specific functionality behind `/api/v1/accounts/95` is not documented. The crawled docs, pricing, API, and README pages all returned only a "Connect wallet" prompt with no additional technical documentation, schemas, or example payloads. Without further documentation it is unclear what data or service this particular account endpoint returns.

Capabilities

x402-paymentusdc-basepay-per-requestjson-responseno-api-keypost-method

Use cases

  • Accessing premium data or services without traditional API key registration
  • Making one-off paid API calls settled in USDC on Base
  • Agent-driven workflows that need keyless, per-request payment access

Fit

Best for

  • Developers who want instant API access without signup or API keys
  • Agents and bots that can settle x402 payments in USDC on Base
  • Low-volume or sporadic usage where pay-per-call is more economical than subscriptions

Not for

  • Users who need detailed documentation or guaranteed SLAs before integrating
  • High-volume consumers who would benefit from bulk pricing or subscriptions
  • Anyone unable to transact in USDC on the Base L2 network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/accounts/95 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>"

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but there is no documentation, no request/response schema, and no explanation of what /api/v1/accounts/95 actually returns. The docs, pricing, API, and README pages are all blank beyond a wallet-connect prompt. This is effectively a stub listing.

Warnings

  • No documentation available — all doc pages return only 'Connect wallet' with no content
  • The specific functionality of /api/v1/accounts/95 is completely undocumented
  • No request or response schema is provided; callers cannot know what to send or expect back
  • The broader platform advertises many endpoint categories but none have visible documentation

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 00:53:45Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access