Real-time LTC price data via x402 micropayment on Base for $0.02 per request.
What it does
This endpoint returns the current price of Litecoin (LTC) as a JSON response, gated behind an x402 payment challenge on the Base network. It is part of a broader suite of pay-per-call APIs offered by lowpaymentfee.com, covering data analytics, AI/ML inference, finance, crypto, and utility services — all priced at $0.02 per request.
The x402 challenge specifies payment in USDC (contract 0x8335…2913 on Base) with a maxAmountRequired of 20,000 base units, which equals $0.02 given USDC's 6 decimals. The endpoint uses the "exact" payment scheme, accepts POST requests, and allows a payment timeout of up to 300 seconds. No API keys or rate limits are advertised; access is granted purely through the x402 payment header.
Documentation beyond the landing page is extremely sparse — the /docs, /pricing, /api, and /README pages all returned only a "Connect wallet" prompt with no additional technical detail. There is no OpenAPI spec, no example request/response payloads, and no description of the response schema. The endpoint is confirmed live (402 challenge returned), but the actual response format after successful payment is unknown.
Capabilities
Use cases
- —Fetching the current LTC price for a trading bot or portfolio tracker
- —Integrating real-time Litecoin pricing into a DeFi dashboard
- —Agent-driven price lookups without managing API keys or subscriptions
Fit
Best for
- —Agents or apps needing on-demand LTC price data without signup
- —Developers who want to pay per call with USDC on Base
- —Low-volume or sporadic crypto price queries
Not for
- —High-frequency trading requiring sub-second latency guarantees (no SLA documented)
- —Users who need historical price data or OHLCV candles (not offered at this endpoint)
- —Anyone unable to settle payments in USDC on the Base network
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/tokens/LTC/price \
-H "X-PAYMENT: <x402-payment-header>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is confirmed live with a well-formed x402 challenge and clear pricing ($0.02 USDC on Base). However, there is no OpenAPI spec, no documented request/response schema, and all documentation pages are empty beyond a wallet-connect prompt. The actual response payload after payment is entirely unknown.
Warnings
- —No OpenAPI or schema documentation available — response format after payment is unknown
- —All doc pages (/docs, /pricing, /api, /README) return only a 'Connect wallet' prompt with no content
- —No SLA, rate-limit, or uptime guarantees documented
- —The broader lowpaymentfee.com platform lists many endpoints but provides no technical documentation for any of them
Citations
- —The x402 challenge requires 20,000 base units of USDC on Base, equaling $0.02 per requesthttps://lowpaymentfee.com/api/v1/tokens/LTC/price
- —The USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/tokens/LTC/price
- —All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —The endpoint uses POST method and the exact payment scheme with a 300-second timeouthttps://lowpaymentfee.com/api/v1/tokens/LTC/price