Historical stock data for RTX via x402 micropayment on Base network, $0.02 per request.
What it does
This endpoint provides historical stock price data for RTX (Raytheon Technologies) through the lowpaymentfee.com platform. It is part of a broader suite of pay-per-request APIs covering finance, analytics, AI/ML, and infrastructure services. The endpoint uses the x402 payment protocol, settling in USDC on the Base network at $0.02 per request (20,000 base units with 6 decimals). No API keys or accounts are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof.
The endpoint accepts POST requests and returns JSON. The specific schema of the historical stock data response is not documented in the crawled material, so the exact fields (e.g., OHLCV candles, date ranges, granularity options) are unknown. The provider's landing page advertises simple per-request pricing with no rate limits and no minimums across all their endpoints.
The provider hosts many other endpoints at the same domain covering sentiment analysis, text summarization, embeddings, price feeds, exchange rates, crypto gas estimates, geocoding, and more — all at the same $0.02/request price point. Documentation pages (/docs, /pricing, /api, /README) returned only a "Connect wallet" prompt with no substantive content, so detailed API documentation is unavailable.
Capabilities
Use cases
- —Retrieving historical price data for RTX (Raytheon Technologies) stock
- —Building financial dashboards or backtesting trading strategies with RTX data
- —Agent-driven portfolio analysis that needs on-demand stock history without API key management
Fit
Best for
- —AI agents needing frictionless pay-per-call access to stock history
- —Developers who want to avoid API key signup and subscription commitments
- —Low-volume or sporadic stock data lookups where $0.02/request is cost-effective
Not for
- —High-frequency trading requiring sub-second latency and bulk historical downloads
- —Users who need comprehensive multi-ticker coverage with documented query parameters
- —Anyone without a Base-network USDC wallet or x402-compatible payment client
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/stocks/RTX/history \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402_payment_proof>"Endpoint
Quality
The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI schema, no documented request/response format, and all documentation pages returned only a wallet-connect prompt. The specific stock history data format, supported query parameters, and response fields are entirely unknown.
Warnings
- —No API documentation available — /docs, /pricing, /api, and /README all returned only 'Connect wallet' with no content
- —Request and response schemas are undocumented; the exact fields and query parameters for the stock history endpoint are unknown
- —The provider lists many diverse endpoints (AI, finance, infrastructure) all at $0.02 — unclear whether all are fully functional or stubs
Citations
- —The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units in USDC on Base networkhttps://lowpaymentfee.com/api/v1/stocks/RTX/history
- —All endpoints are priced at $0.02 per request with no API keys, no rate limits, and no minimumshttps://lowpaymentfee.com
- —The asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 is USDC on Basehttps://lowpaymentfee.com