Get real-time stock price data for ABT (and other tickers) via x402 micropayment on Base.
What it does
This endpoint at lowpaymentfee.com returns stock price data for the ticker ABT (Abbott Laboratories) in exchange for a per-request x402 micropayment. It is part of a broader platform offering dozens of pay-per-call APIs spanning finance, AI/ML, data analytics, and infrastructure utilities — all settled on the Base network using USDC.
The endpoint accepts POST requests and returns JSON. Payment is handled via the x402 protocol: callers include an X-PAYMENT header with a signed USDC payment on Base. The maximum amount required per call is 20,000 base units of USDC (6 decimals), which equals $0.02 USD. No API keys, subscriptions, or rate limits are advertised — access is purely pay-per-request.
The platform lists a uniform $0.02/request price across all its endpoints. Documentation beyond the landing page is sparse; the /docs, /pricing, and /README pages all resolve to a minimal "Connect wallet" prompt with no additional technical detail. There is no OpenAPI spec or detailed schema describing the response format for stock price queries. The specific fields returned (e.g., current price, volume, timestamp) must be discovered by making a paid request.
Capabilities
Use cases
- —Retrieve the current price of ABT (Abbott Laboratories) stock programmatically
- —Build trading bots or dashboards that pull live equity prices without API key management
- —Agent-driven portfolio monitoring with per-request cost control
Fit
Best for
- —AI agents needing on-demand stock prices without subscription overhead
- —Developers who want keyless, pay-as-you-go access to equity data
- —Low-volume or bursty stock price lookups where flat-rate plans are wasteful
Not for
- —High-frequency trading requiring sub-millisecond latency and bulk data feeds
- —Users who need historical OHLCV candle data or full order book depth (not documented)
- —Anyone without a Base-network USDC wallet for payment
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/stocks/ABT/price \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-signed-payment-header>"Endpoint
Quality
The endpoint is live (402 challenge captured) and pricing is clear ($0.02/request in USDC on Base). However, there is no OpenAPI spec, no response schema, no example responses, and all documentation pages beyond the landing page are empty stubs. The actual data returned by the stock price endpoint is unknown.
Warnings
- —No OpenAPI or response schema available — response fields must be discovered empirically
- —Documentation pages (/docs, /pricing, /README) are all empty beyond a wallet-connect prompt
- —No information on data source, update frequency, or coverage of stock tickers beyond ABT
- —Platform appears to be a generic multi-purpose API hub; quality and reliability of individual endpoints is unverified
Citations
- —The endpoint returns HTTP 402 with x402 challenge requiring 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/v1/stocks/ABT/price
- —USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/stocks/ABT/price
- —Platform advertises $0.02/request uniform pricing with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —Finance & Web3 category includes price feeds, exchange rates, token quotes, and gas estimateshttps://lowpaymentfee.com