Nebula API Reference

Nebula provides a conversational interface to interact with blockchain data and services, and access to thirdweb tools.

All API requests should be made to:

https://nebula-api.thirdweb.com

All API endpoints require authentication using the thirdweb secret key. Learn how to obtain a secret key..

Include this key in your request headers:

x-secret-key: YOUR_THIRDWEB_SECRET_KEY

Example curl with authentication:

curl -X POST https://nebula-api.thirdweb.com/chat \
  -H "Content-Type: application/json" \
  -H "x-secret-key: YOUR_THIRDWEB_SECRET_KEY" \
  -d '{
    "message": "send 0.0001 ETH on sepolia to vitalik.eth",
    "user_id": "default-user",
    "stream": false,
  }'