# AnnexAPI (annexapi.com)

Sends each model request to the cheapest healthy upstream provider that serves that model, through one API endpoint.

- Atlas card: https://inite.ai/en/atlas/annexapi.com
- Site: https://annexapi.com
- For: Developers who want to call frontier AI models from several providers through one API endpoint.
- Categories: health
- Use 35/100 · alive 100/100

## Used for

- call models from several providers through one endpoint
- cut token costs on requests with long cached prompts
- keep requests running when a provider's health degrades

## Price

Not read yet.

## For developers

None found.
- Read 2026-10-22

## Your data

- Certifications stated: none
- Read 2026-10-22

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Source: INITE Atlas, https://inite.ai/en/atlas/annexapi.com. JSON: https://inite.ai/api/atlas/annexapi.com. MCP: https://inite.ai/api/mcp (atlas_lookup).