# API Reference

ZERT public APIs for discovery, swaps, limit orders, status tracking, and health checks.

**Base URL:** `https://api.gateway.zert.com/api/v1`\
**Authentication:** API key in header `Authorization: Bearer YOUR_API_KEY` (required for all endpoints except `GET /health`).

* [Health Check](/health-check.md)
* [Get Supported Chains](/api-reference/discovery/list-chains.md)
* [List Tokens](/api-reference/discovery/list-tokens.md)
* [List Pairs](/api-reference/discovery/list-pairs.md)
* [Request Quote](/api-reference/swap/request-quote.md)
* [Build Swap](/api-reference/swap/submit-swap.md)
* [Get Signing Status](/api-reference/swap/get-wallet-signing-status.md)
* [Submit Signed Artifact](/api-reference/swap/submit-wallet-signed-artifact.md)
* [Get Transaction Status](/api-reference/status-and-tracking/get-transaction-status.md)
* [Create Limit Order](/api-reference/limit-orders/limit-order-create.md)
* [Get or Cancel Limit Order](/api-reference/limit-orders/limit-order-get-cancel.md)
* [Replace Limit Order](/api-reference/limit-orders/limit-order-replace.md)
* [List Limit Orders](/api-reference/limit-orders/limit-orders-list.md)
* [Models](/models.md)

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{% embed url="<https://api.gateway.zert.com/docs>" %}
**Zert API UI** — Interactive API reference
{% endembed %}


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