Getting Started
⚠️
New customers receive access to API V2. If you're just getting started, make sure you're in the right place!
AltIndex API V1 is the legacy, unversioned API surface still used in production today. New customers should use API V2.
Base URL
https://api.altindex.comAuthentication
Use the apiKey (or apikey) query parameter. Query parameters are case-insensitive.
Note: X-API-Key header authentication is not currently supported by the production PHP endpoints.
curl "https://api.altindex.com/graph/?apiKey=YOUR_API_KEY&symbol=TSLA"Rate Limits
Rate limits apply per API key.
- Pro: up to 50 requests/day
- Need more? Contact info@altindex.com to discuss higher limits or Enterprise access.
OpenAPI Specification
Download the machine-readable spec: /openapi/v1.yaml
Migration to V2
If you are moving from V1 to V2, contact us at info@altindex.com and we can help align endpoints and access.