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Documentation Index

Fetch the complete documentation index at: https://rekko.ai/docs/llms.txt

Use this file to discover all available pages before exploring further.

All API requests require authentication. Pass your API key as a Bearer token in the Authorization header.

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Bearer token

Authorization: Bearer rk_free_your_key_here

curl https://api.rekko.ai/v1/markets \
  -H "Authorization: Bearer rk_free_your_key_here"

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Key prefixes

PrefixPlan
rk_free_Free tier
rk_pro_Pro subscription

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Getting a key

Sign up at the dashboard or via the API: 
curl -X POST https://api.rekko.ai/v1/customers/signup \
  -H "Content-Type: application/json" \
  -d '{"email": "you@example.com", "name": "Your Name"}'
Your API key is shown only once in the signup response. Store it securely.

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Key rotation

Rotate your key from the dashboard. The old key is revoked immediately.

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Error responses

StatusMeaning
401 UnauthorizedMissing or invalid API key
403 ForbiddenValid key but insufficient tier for this endpoint
429 Too Many RequestsRate limit or monthly quota exceeded
All errors return JSON: 
{
  "detail": "Invalid or expired API key"
}

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Alternative auth methods

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RapidAPI

If you subscribe via RapidAPI, use RapidAPI’s standard headers instead of a Bearer token. Rekko validates the x-rapidapi-proxy-secret automatically.

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x402 Micropayments

For crypto-native agents, you can pay per-request with USDC on Base L2. See x402 payments.