# Andel | Developer Docs

## Instructions for AI Agents

- For clean Markdown of any page, append `.md` to the page URL
- For section-specific indexes, append `/llms.txt` to any section URL
- For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://build.andel.org/_mcp/server

## Docs

- [Andel Developer Docs](https://build.andel.org/home/welcome/welcome.md): APIs, integration guides, and reference material for partners building with Andel.
- [Data Exchange API](https://build.andel.org/dataexchange/overview/overview.md): Real-time interchange of member purchases between Andel and counterparty plans or PBMs.
- [ESI Compatibility](https://build.andel.org/dataexchange/overview/esi-compatibility.md): How the Data Exchange API maps to the Express Scripts CDH 1500-byte accumulator format.

## API Docs

- Data Exchange API > Purchases [List purchases](https://build.andel.org/dataexchange/data-exchange-api/purchases/list-purchases.md)
- Data Exchange API > Purchases [Get a single purchase](https://build.andel.org/dataexchange/data-exchange-api/purchases/get-purchase.md)
- Data Exchange API > Webhooks [List your webhook subscriptions](https://build.andel.org/dataexchange/data-exchange-api/webhooks/list-subscriptions.md)
- Data Exchange API > Webhooks [Subscribe to purchase events](https://build.andel.org/dataexchange/data-exchange-api/webhooks/create-subscription.md)
- Data Exchange API > Webhooks [Delete a webhook subscription](https://build.andel.org/dataexchange/data-exchange-api/webhooks/delete-subscription.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://build.andel.org/openapi.json)
- [OpenAPI YAML](https://build.andel.org/openapi.yaml)