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The Flipside API gives you programmatic access to blockchain data, queries, AI agents, and automations. All endpoints are available at https://api.flipsidecrypto.xyz/public/v3.

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Authentication

All API requests require an API key passed in the x-api-key header. 
curl -H "x-api-key: YOUR_API_KEY" https://api.flipsidecrypto.xyz/public/v3/queries

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Getting an API Key

1

Log in to Flipside

Go to flipsidecrypto.xyz and sign in to your account.
2

Navigate to API Keys

Go to Settings → API Keys.
3

Create a key

Click Create API Key. Copy your key and store it securely — it won’t be shown again.

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Rate Limits

API keys are subject to rate limits based on your plan. Contact [email protected] if you need higher limits.

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Base URL

All endpoints use the following base URL: 
https://api.flipsidecrypto.xyz/public/v3

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What You Can Do

Queries

Create, execute, and retrieve results from SQL queries across 20+ blockchain networks.

Agents

Interact with AI-powered agents for blockchain analysis and automation.

Skills

Access specialized AI skills for targeted analytical tasks.

Automations

Schedule and manage automated query runs and workflows.