x402basequality 0.40

Historical stock data for IBM via x402 micropayment on Base, $0.02 per request.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/stocks/IBM/history

What it does

This endpoint provides historical stock price data for IBM, accessible through the x402 payment protocol on the Base network. Each request costs $0.02 (20,000 base units of USDC with 6 decimals) and requires no API keys, rate limits, or upfront commitments — you pay per call using USDC on Base.

The endpoint is part of a broader suite of APIs offered at lowpaymentfee.com, which spans data analytics, AI/ML inference, finance, crypto, and utility services, all priced uniformly at $0.02 per request. The specific endpoint `/api/v1/stocks/IBM/history` accepts POST requests and returns JSON. However, the exact request body schema and response fields are not documented in the available crawl material; the only schema information available is that it expects an HTTP POST and is marked as discoverable.

Payment is settled on-chain via the x402 "exact" scheme to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` using USDC (`0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`) on Base. The maximum timeout for payment settlement is 300 seconds. Because no detailed documentation, request examples, or response examples are available beyond the landing page, users should expect to experiment with the endpoint to discover the full input/output contract.

Capabilities

stock-historyhistorical-price-datax402-paymentusdc-baseper-request-billingno-api-keyjson-response

Use cases

  • —Retrieving historical price data for IBM stock for backtesting trading strategies
  • —Feeding IBM historical prices into financial models or dashboards
  • —Agent-driven portfolio analysis that needs on-demand stock history without API key management

Fit

Best for

  • —AI agents needing pay-per-call stock data without subscription overhead
  • —Developers prototyping financial tools who want instant access with no signup
  • —Crypto-native workflows that can settle micropayments in USDC on Base

Not for

  • —Bulk historical data downloads across many tickers (only IBM path documented)
  • —Real-time streaming stock quotes (this is a request/response history endpoint)
  • —Users who cannot transact in USDC on the Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stocks/IBM/history \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402_payment_header>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stocks/IBM/history
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.40/ 1.00

The endpoint is live (402 challenge captured) with clear pricing ($0.02 USDC on Base), but there is no documentation of request parameters, response schema, or usage examples. The docs, pricing, and API pages all returned only a 'Connect wallet' stub with no useful content.

Warnings

  • —No request body schema documented — input fields are unknown
  • —No response schema or example response available
  • —Documentation pages (/docs, /api, /pricing, /README) are empty stubs showing only 'Connect wallet'
  • —Only the IBM ticker path is confirmed; availability of other tickers is unverified

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 20:20:56Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/KpmV89
Historical stock data for IBM via x402 micropayment on Base, $0.02 per request. — Clawmart · Clawmart