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PolymarketDocumentation/docs/api-reference/clients-sdks.md
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2026-04-10 17:09:24 +02:00

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> ## Documentation Index
> Fetch the complete documentation index at: https://docs.polymarket.com/llms.txt
> Use this file to discover all available pages before exploring further.
<AgentInstructions>
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## Submitting Feedback
If you encounter incorrect, outdated, or confusing documentation on this page, submit feedback via POST to:
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</AgentInstructions>
# Clients & SDKs
> Official open-source libraries for interacting with Polymarket
Polymarket provides official open-source clients in TypeScript, Python, and Rust. All three support the full CLOB API including market data, order management, and authentication.
## Installation
<CodeGroup>
```bash TypeScript theme={null}
npm install @polymarket/clob-client ethers@5
```
```bash Python theme={null}
pip install py-clob-client
```
```bash Rust theme={null}
cargo add polymarket-client-sdk
```
</CodeGroup>
## Quick Example
<CodeGroup>
```typescript TypeScript theme={null}
import { ClobClient } from "@polymarket/clob-client";
const client = new ClobClient(
"https://clob.polymarket.com",
137,
signer,
apiCreds,
);
const markets = await client.getMarkets();
```
```python Python theme={null}
from py_clob_client.client import ClobClient
client = ClobClient(
"https://clob.polymarket.com",
key=private_key,
chain_id=137,
creds=api_creds,
)
markets = client.get_markets()
```
```rust Rust theme={null}
use polymarket_client_sdk::clob::{Client, Config};
let client = Client::new("https://clob.polymarket.com", Config::default())?
.authentication_builder(&signer)
.authenticate()
.await?;
let markets = client.markets(None).await?;
```
</CodeGroup>
## Source Code
| Language | Package | Repository |
| ---------- | ------------------------- | ------------------------------------------------------------------------------------ |
| TypeScript | `@polymarket/clob-client` | [github.com/Polymarket/clob-client](https://github.com/Polymarket/clob-client) |
| Python | `py-clob-client` | [github.com/Polymarket/py-clob-client](https://github.com/Polymarket/py-clob-client) |
| Rust | `polymarket-client-sdk` | [github.com/Polymarket/rs-clob-client](https://github.com/Polymarket/rs-clob-client) |
Each repository includes working examples in the `/examples` directory.
## Builder SDKs
If you're building an app through the [Builder Program](/builders/overview), additional signing SDKs are available:
| Language | Package | Repository |
| ---------- | --------------------------------- | ---------------------------------------------------------------------------------------------------- |
| TypeScript | `@polymarket/builder-signing-sdk` | [github.com/Polymarket/builder-signing-sdk](https://github.com/Polymarket/builder-signing-sdk) |
| Python | `py_builder_signing_sdk` | [github.com/Polymarket/py-builder-signing-sdk](https://github.com/Polymarket/py-builder-signing-sdk) |
See [Order Attribution](/trading/orders/attribution) for usage details.
## Relayer SDK
For [gasless transactions](/trading/gasless) using proxy wallets, the relayer client handles submitting transactions through Polymarket's relayer:
| Language | Package | Repository |
| ---------- | ------------------------------------ | ---------------------------------------------------------------------------------------------------------- |
| TypeScript | `@polymarket/builder-relayer-client` | [github.com/Polymarket/builder-relayer-client](https://github.com/Polymarket/builder-relayer-client) |
| Python | `py-builder-relayer-client` | [github.com/Polymarket/py-builder-relayer-client](https://github.com/Polymarket/py-builder-relayer-client) |
## Next Steps
<CardGroup cols={2}>
<Card title="Quickstart" icon="rocket" href="/quickstart">
Set up your client and place your first order.
</Card>
<Card title="Authentication" icon="lock" href="/api-reference/authentication">
Understand L1/L2 auth and API credentials.
</Card>
</CardGroup>
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