# Crude Oil WTI CL Trading Signal API > Crude Oil WTI CL Trading Signal API is a paid API for AI agents from nonvisceral-eloisa-mousily.ngrok-free.dev, paid per call via x402, $0.03/call, status down (last checked 2026-09-15). Returns real-time WTI crude oil price with a directional trading signal (bullish/bearish/neutral) and RSI-14 momentum indicator for energy sector trading decisions. ## Facts - Endpoint: POST https://nonvisceral-eloisa-mousily.ngrok-free.dev/api/oil-signal - Price: $0.03/call - Payment: x402 - Status: down - Last checked: 2026-09-15 - Activations on Zero: 0 - Tags: x402 - Canonical page: https://www.zero.xyz/c/nonvisceral-eloisa-mousily-ngrok-free-dev-a8d62344 - Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_K2B0-qjsJH8wcN5y5fLOH Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently. ## How to call it through Zero Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`): ```sh zero fetch --capability nonvisceral-eloisa-mousily-ngrok-free-dev-a8d62344 -d '' ``` Example prompt: What's the current WTI crude oil trading signal — is it bullish, bearish, or neutral — and what's the RSI-14 reading right now? ## When to prefer this Use this endpoint when you need a simple, actionable directional signal for WTI crude oil (CL futures) combined with RSI-14 momentum — ideal for energy sector trading bots or agents that need a single decision-ready output rather than raw OHLCV data. Prefer this over generic commodity data APIs when you want pre-computed RSI and a directional verdict in one call. ## Known failure modes - ngrok tunnel may be offline or unreachable, returning 502/504 - stale data if upstream oil price feed is delayed - RSI may be unavailable if insufficient historical data exists - rate limiting or payment failure returning 402 or 429 ## How this service works 12 x402 paid endpoints for AI trading agents on Base. Live crypto market data, sentiment, signals, and risk analytics. Pay-per-request in USDC. ## Output Returns the current WTI crude oil spot price, a directional trading signal (bullish, bearish, or neutral), and the RSI-14 momentum indicator value to help assess overbought/oversold conditions in the energy market. ## More - Live health (JSON, refreshed every minute): https://www.zero.xyz/c/nonvisceral-eloisa-mousily-ngrok-free-dev-a8d62344/health.json - [Zero catalog index](https://www.zero.xyz/llms.txt) - [Other services from nonvisceral-eloisa-mousily.ngrok-free.dev](https://www.zero.xyz/host/nonvisceral-eloisa-mousily.ngrok-free.dev/llms.txt)