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/9

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific endpoint `/api/v1/wire/9` is one of many API routes offered by the provider, which spans categories including data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. All endpoints are priced at $0.02 per request (20,000 base units of USDC on Base, which has 6 decimals = $0.02), settled on-chain on the Base network using USDC (contract 0x8335…2913).

The provider advertises a no-API-key, no-rate-limit model with instant access. Payment is handled entirely through the x402 protocol: callers receive a 402 challenge with payment details, submit an X-PAYMENT header with a signed transaction, and receive the API response upon settlement. The challenge specifies a 300-second timeout window for payment completion.

However, the specific functionality of `/api/v1/wire/9` is unclear. The provider's landing page lists numerous endpoints across analytics, AI, finance, and utility categories, but `/api/v1/wire/9` does not appear among them. The docs, pricing, and README pages all returned only a "Connect wallet" prompt with no additional documentation. Without an OpenAPI schema or detailed docs, the exact input/output behavior of this particular endpoint cannot be determined.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestno-api-keyhttp-post

Use cases

  • —Agent-driven API consumption with per-call crypto payment
  • —Accessing premium data or utility endpoints without API key registration
  • —Programmatic pay-as-you-go API usage settled on Base L2

Fit

Best for

  • —Developers wanting keyless, pay-per-use API access
  • —AI agents that can handle x402 payment flows
  • —Users who prefer on-chain USDC micropayments over subscriptions

Not for

  • —Users needing detailed API documentation before purchasing
  • —High-volume use cases where per-call pricing may add up
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/wire/9
# Returns 402 with x402 challenge; include X-PAYMENT header with signed USDC payment to complete the request.

Endpoint

URLhttps://lowpaymentfee.com/api/v1/wire/9
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but the specific functionality of /api/v1/wire/9 is undocumented. No OpenAPI schema, no request/response examples, and all doc pages return only 'Connect wallet'. The endpoint path does not match any listed API on the provider's landing page, making its purpose unknown.

Warnings

  • —The specific endpoint /api/v1/wire/9 is not listed among the provider's documented APIs — its functionality is unknown.
  • —All documentation pages (docs, pricing, README, api) returned only 'Connect wallet' with no usable content.
  • —No OpenAPI schema or input/output documentation is available.
  • —The exact purpose and response format of this endpoint cannot be verified without making a paid request.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 15:07:29Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/Tsu2M5
Pay-per-call premium API access on Base via x402 — $0.02/request in USDC. — Clawmart · Clawmart