# General API

## General

### Get Supported Pairs

`GET /read-partner/api/v1/orders/pairs`

Returns all token pairs for which active limit orders exist on the specified chain.

## Get Chain Supported Pairs

> Please refer to \[Supported Exchanges And Networks]\(<https://docs.kyberswap.com/getting-started/supported-exchanges-and-networks>) for full list of supported networks.

```json
{"openapi":"3.0.3","info":{"title":"KyberSwap Limit Order APIs","version":"1.2.0"},"servers":[{"url":"https://limit-order.kyberswap.com"}],"paths":{"/read-partner/api/v1/orders/pairs":{"get":{"summary":"Get Chain Supported Pairs","tags":["General"],"operationId":"get-read-partner-api-v1-orders-pairs","description":"Please refer to [Supported Exchanges And Networks](https://docs.kyberswap.com/getting-started/supported-exchanges-and-networks) for full list of supported networks.","parameters":[{"schema":{"type":"string"},"in":"query","name":"chainId","description":"The chainId of the network to query.","required":true}],"responses":{"200":{"description":"OK","content":{"application/json":{"schema":{"type":"object","required":["code","message","data"],"properties":{"code":{"type":"integer","description":"The response code."},"message":{"type":"string","description":"Server response message."},"data":{"type":"object","required":["pairs"],"properties":{"pairs":{"type":"array","description":"The supported token pairs.","items":{"type":"object","required":["makerAsset","takerAsset"],"properties":{"makerAsset":{"type":"string","description":"The token address of the asset which the Maker is selling."},"takerAsset":{"type":"string","description":"The token address of the asset which the Maker expects in return."}}}}}}}}}}},"400":{"description":"Bad Request\n- Missing required field\n- chainId is not supported","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ErrorResponse"}}}},"500":{"description":"Internal Server Error","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ErrorResponse"}}}}}}}},"components":{"schemas":{"ErrorResponse":{"title":"ErrorResponse","type":"object","properties":{"code":{"type":"integer","description":"Error code"},"message":{"type":"string","description":"Error message"},"errorEntities":{"type":"array","items":{"type":"string"}}},"required":["code","message","errorEntities"]}}}}
```

***

### Get Contract Address

`GET /read-ks/api/v1/configs/contract-address`

Returns the deployed Limit Order contract addresses for a given chain ID.

## Get Limit Order Contract Addresses

> Please refer to \[Supported Exchanges And Networks]\(<https://docs.kyberswap.com/getting-started/supported-exchanges-and-networks>) for full list of supported networks.

```json
{"openapi":"3.0.3","info":{"title":"KyberSwap Limit Order APIs","version":"1.2.0"},"servers":[{"url":"https://limit-order.kyberswap.com"}],"paths":{"/read-ks/api/v1/configs/contract-address":{"get":{"summary":"Get Limit Order Contract Addresses","tags":["General"],"operationId":"get-read-ks-api-v1-configs-contract-address","description":"Please refer to [Supported Exchanges And Networks](https://docs.kyberswap.com/getting-started/supported-exchanges-and-networks) for full list of supported networks.","parameters":[{"schema":{"type":"string"},"in":"query","name":"chainId","description":"The chainId of the network to query.","required":true}],"responses":{"200":{"description":"OK","content":{"application/json":{"schema":{"type":"object","required":["code","message","data"],"properties":{"code":{"type":"integer","description":"The response code."},"message":{"type":"string","description":"Server response message."},"data":{"type":"object","required":["latest","features"],"properties":{"latest":{"type":"string","description":"The latest limit order contract address."},"features":{"type":"object","description":"The limit order contract address.","additionalProperties":{"type":"object","required":["supportDoubleSignature"],"properties":{"supportDoubleSignature":{"type":"boolean","description":"Whether the contract supports gasless cancellations (i.e. double signature = maker signature + operator signature)."}}}}}}}}}}},"400":{"description":"Bad Request\n- Missing required field\n- chainId is not supported","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ErrorResponse"}}}},"500":{"description":"Internal Server Error","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ErrorResponse"}}}}}}}},"components":{"schemas":{"ErrorResponse":{"title":"ErrorResponse","type":"object","properties":{"code":{"type":"integer","description":"Error code"},"message":{"type":"string","description":"Error message"},"errorEntities":{"type":"array","items":{"type":"string"}}},"required":["code","message","errorEntities"]}}}}
```

{% hint style="info" %}
The full return object is defined in the OpenAPI YAML. GitBook has limited support for `additionalProperties`, so refer to the YAML directly for the complete schema.
{% endhint %}

For a static list of deployed addresses, see [Contracts & Addresses.](/developer-guide/limit-order-api/contracts-and-addresses.md)


---

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```
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```

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