Developers

API keys, SDK snippets, and webhook signing docs. Wire CARTIE into your stack in <5 minutes.

Try the SDK in 60 seconds
LIVE
Generate a 24-hour throwaway key, fire one cURL, watch the event land here in real time.

No signup. Key works for 24h. Delete after testing or it auto-expires.

1. Get an API key

Create one on the API Keys tab. The plaintext is shown once — copy it and store as CARTIE_API_KEY.

2. Track every AI call

POST a tiny event whenever you call OpenAI / Anthropic / Gemini / Groq / Mistral / Bedrock. Token Budgets and AI Profitability light up automatically.

3. Verify webhook signatures

When CARTIE pings your throttle endpoint, verify the HMAC-SHA256 signature so you know it's really us.

Developer FAQ

Quick answers to the questions every dev asks before wiring up.

Still have questions? Email hello@cartieai.com — replies within 4 business hours.

See full FAQ

Ready to wire it up?

Start a 14-day free pilot — no card. Use these snippets against your live cloud and LLM spend.

Install CARTIEAI

Add to your home screen for quick access and offline support