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1. Get an API key

API access requires an active Insider subscription ($89/mo).
1

Sign up or log in

Go to 0xinsider.com/sign-up
2

Subscribe to Insider

Go to Pricing and subscribe to the Insider plan
3

Generate your API key

Go to Developers and click Generate Key. Copy the key immediately — you won’t see it again.

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2. Make your first request

curl -H "Authorization: Bearer oxi_sk_test_YOUR_KEY" \
  https://api.0xinsider.com/api/v1/health

{
  "object": "health",
  "data": { "status": "ok", "db": true, "cache": true },
  "meta": { "request_id": "req_abc123", "cached": false }
}

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3. Fetch the leaderboard

curl -H "Authorization: Bearer oxi_sk_test_YOUR_KEY" \
  "https://api.0xinsider.com/api/v1/leaderboard?limit=5"

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4. Look up a trader

curl -H "Authorization: Bearer oxi_sk_test_YOUR_KEY" \
  https://api.0xinsider.com/api/v1/trader/0x863134d00841b2e200492805a01e1e2f5defaa53

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5. Get whale trades

curl -H "Authorization: Bearer oxi_sk_test_YOUR_KEY" \
  "https://api.0xinsider.com/api/v1/whale-trades?limit=10&min_grade=A"
This returns only trades from A-grade or higher traders, sorted by most recent.

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Next steps

Authentication

API key format, headers, and security

Rate Limits

100 requests per minute, sliding window

API Reference

Full endpoint documentation

Error Handling

Error codes and troubleshooting

MCP Server

Connect AI agents via Model Context Protocol