Stelar x402 Crypto Signals API

Pay-per-call crypto market data over x402 (USDC on Base), no signup, no API key.

About

Stelar Digital's x402 API at api.stelardigital.com is a pay-per-call crypto market data API settled in USDC on Base via x402, no signup, no API key. GET /gridparams ($0.05) returns a grid-trading parameter recommendation for a pair and capital amount from live 24h market structure. GET /regime ($0.03) returns a market regime (chop, uptrend, downtrend, high-volatility) plus a grid-suitability verdict from live klines and trend detection. GET /telemetry ($0.005 base) serves a frozen record from Stelar Digital's retired grid-trading bot, stopped 2026-08-16 — allocation, P&L, signal votes, human-approval trail — not a live feed. Coverage: SOL, XLM, BTC, ETH, XRP, DOGE, LTC, ADA. Unpaid calls return HTTP 402 terms; pay USDC and retry for data.

Key features

Pay-per-call pricing in USDC on Base, no signup or API key
Grid-trading parameter recommendations from live 24h market structure
Market regime and grid-suitability read from live klines and trend detection
Frozen historical telemetry from a retired grid-trading bot
Coverage across eight major assets (SOL, XLM, BTC, ETH, XRP, DOGE, LTC, ADA)

Use cases

An agent needs live grid-trading parameters for a crypto pair
An agent needs a market regime or grid-suitability read before trading
An agent needs historical P&L and signal-vote records from a retired bot
An agent can pay per call in USDC on Base without registering an account
An agent wants JSON market data without managing an API key