> For the complete documentation index, see [llms.txt](https://docs.yad.finance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.yad.finance/~/changes/2RSiZ02fGs3gXznJHipO/api-documentation/endpoints-and-functions.md).

# Endpoints and Functions

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<summary><a href="/pages/kpK6yUci0uzqEwWiJybl">GET v1/platforms</a></summary>

Provides a list of supported blockchains.

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<summary><a href="/pages/9H9KEahFZ2nyqVoiLf8K">GET v1/{ChainID}/tokens</a></summary>

Provides a list of tokens for exchange on blockchains.

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<summary><a href="/pages/yDfThLC44vqfo4soqM3z">GET /v1/{chainID}/gasprices</a></summary>

Provides calculated gas price values in GWEI (nAVAX for Avalanche).

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<summary><a href="/pages/wdtLDoMz4bJS10OFMtpE">GET /v1/{chainID}/price</a></summary>

Returns best exchange offer, no calldata for transaction.

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<summary><a href="/pages/NumwHvQeZSsC09mDwsyN">GET v1/{chainID}/transaction/allowance</a></summary>

Checks how many user’s tokens the exchange smart contract has access to.

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<summary><a href="/pages/NI7mGjHc4VNafkMLHwLV">GET v1/{chainID}/transaction/approve</a></summary>

Generates transaction input parameters to provide access to the user's tokens for the exchange smart contract.

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<summary><a href="/pages/BiGpyguhVxScAi4SUZZv">GET /v1/{chainID}/quote</a></summary>

Returns the best exchange offer and input parameters for the transaction.

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