> For the complete documentation index, see [llms.txt](https://titan-exchange.gitbook.io/titan/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://titan-exchange.gitbook.io/titan/developer-doc/dart-swap-api/overview.md).

# Overview

> **Beta** — The DART API is currently in beta.

The DART API provides swap quotes for selected token pairs on Solana via Titan's **DART (Dynamically Allocated Real Time)** engine.

This is a dedicated DART-only endpoint — it exclusively uses the Titan DART provider for routing. DART dynamically re-optimizes trades at the exact moment of execution, not just at quote time — **guaranteeing best execution when it matters most.**

**Base URL:** `https://api.titan.exchange/dart`

**Free to use** · No API key required · JSON responses · Up to 1 bps fee · 1 req/sec rate limit

***

## Supported pairs

Use `GET /markets` to discover pairs programmatically, or reference the list below.

* SOL/USDC
* SOL/USDT
* USDT/USDC
* cbBTC/USDC
* wETH/USDC
* TRUMP/USDC
* ZEC/USDC
* USD1/USDC
* HYPE/USDC
* PUMP/USDC
* PENGU/USDC
* FARTCOIN/USDC
* syrupUSD/USDC
* PYUSD/USDC
* USDG/USDC
* CASH/USDC
* AAVE/USDC
* MEGA/USDC
* SPCX/USDC
* MU/USDC

The `/swap` endpoint works on supported token pairs listed above.

***

## Rate limits & fees

* **1 request per second** per IP address. HTTP 429 if exceeded.
* **Up to 1 bps fee** per swap, handled by the on-chain program.

***

## Related pages

* [Get API Access](/titan/developer-doc/dart-swap-api/get-api-access.md) — Free vs partner access, API keys
* [How to Use](/titan/developer-doc/dart-swap-api/how-to-use.md) — Endpoints, request/response format, and transaction building


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