Quick links for Builders

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Supported Networks

Read the LINK Token Contracts page to learn where to get testnet LINK and ETH.

Ethereum

Ethereum Mainnet

Item	Value
Functions router	0x65Dcc24F8ff9e51F10DCc7Ed1e4e2A61e6E14bd6
DON ID	`fun-ethereum-mainnet-1` / `0x6675...0000`
Encrypted secrets upload endpoints	`https://01.functions-gateway.chain.link/` `https://02.functions-gateway.chain.link/`

Billing Item	Value
Premium fees	0.25 LINK
Request threshold (withdrawing funds)	1 request
Cancellation fees (withdrawing funds)	0.1 LINK
Minimum balance for uploading encrypted secrets	0.1 LINK

Sepolia testnet

Item	Value
Functions router	0xb83E47C2bC239B3bf370bc41e1459A34b41238D0
DON ID	`fun-ethereum-sepolia-1` / `0x6675...0000`
Encrypted secrets upload endpoints	`https://01.functions-gateway.testnet.chain.link/` `https://02.functions-gateway.testnet.chain.link/`

Billing Item	Value
Premium fees	0.2 LINK
Request threshold (withdrawing funds)	10 requests
Cancellation fees (withdrawing funds)	2 LINK
Minimum balance for uploading encrypted secrets	2 LINK

Polygon

Polygon Mainnet

Item	Value
Functions router	0xdc2AAF042Aeff2E68B3e8E33F19e4B9fA7C73F10
DON ID	`fun-polygon-mainnet-1` / `0x6675...0000`
Encrypted secrets upload endpoints	`https://01.functions-gateway.chain.link/` `https://02.functions-gateway.chain.link/`

Billing Item	Value
Premium fees	0.004 LINK
Request threshold (withdrawing funds)	10 requests
Cancellation fees (withdrawing funds)	0.1 LINK
Minimum balance for uploading encrypted secrets	0.1 LINK

Polygon Amoy testnet

Item	Value
Functions router	0xC22a79eBA640940ABB6dF0f7982cc119578E11De
DON ID	`fun-polygon-amoy-1` / `0x6675...0000`
Encrypted secrets upload endpoints	`https://01.functions-gateway.testnet.chain.link/` `https://02.functions-gateway.testnet.chain.link/`

Billing Item	Value
Premium fees (converted to LINK at request time)	320 cents USD
Request threshold (withdrawing funds)	10 requests
Cancellation fees (withdrawing funds)	2 LINK
Minimum balance for uploading encrypted secrets	2 LINK

Avalanche

Avalanche Mainnet

Item	Value
Functions router	0x9f82a6A0758517FD0AfA463820F586999AF314a0
DON ID	`fun-avalanche-mainnet-1` / `0x6675...0000`
Encrypted secrets upload endpoints	`https://01.functions-gateway.chain.link/` `https://02.functions-gateway.chain.link/`

Billing Item	Value
Premium fees	0.004 LINK
Request threshold (withdrawing funds)	10 requests
Cancellation fees (withdrawing funds)	0.1 LINK
Minimum balance for uploading encrypted secrets	0.1 LINK

Avalanche Fuji testnet

Item	Value
Functions router	0xA9d587a00A31A52Ed70D6026794a8FC5E2F5dCb0
DON ID	`fun-avalanche-fuji-1` / `0x6675...0000`
Encrypted secrets upload endpoints	`https://01.functions-gateway.testnet.chain.link/` `https://02.functions-gateway.testnet.chain.link/`

Billing Item	Value
Premium fees	0.2 LINK
Request threshold (withdrawing funds)	10 requests
Cancellation fees (withdrawing funds)	2 LINK
Minimum balance for uploading encrypted secrets	2 LINK

Arbitrum

Arbitrum Mainnet

Item	Value
Functions router	0x97083e831f8f0638855e2a515c90edcf158df238
DON ID	`fun-arbitrum-mainnet-1` / `0x6675...0000`
Encrypted secrets upload endpoints	`https://01.functions-gateway.chain.link/` `https://02.functions-gateway.chain.link/`

Billing Item	Value
Premium fees	0.004 LINK
Request threshold (withdrawing funds)	10 requests
Cancellation fees (withdrawing funds)	0.1 LINK
Minimum balance for uploading encrypted secrets	0.1 LINK

Arbitrum Sepolia testnet

Item	Value
Functions router	0x234a5fb5Bd614a7AA2FfAB244D603abFA0Ac5C5C
DON ID	`fun-arbitrum-sepolia-1` / `0x6675...0000`
Encrypted secrets upload endpoints	`https://01.functions-gateway.testnet.chain.link/` `https://02.functions-gateway.testnet.chain.link/`

Billing Item	Value
Premium fees	0.2 LINK
Request threshold (withdrawing funds)	10 requests
Cancellation fees (withdrawing funds)	2 LINK
Minimum balance for uploading encrypted secrets	2 LINK

BASE

BASE Mainnet

Item	Value
Functions router	0xf9b8fc078197181c841c296c876945aaa425b278
DON ID	`fun-base-mainnet-1` / `0x6675...0000`
Encrypted secrets upload endpoints	`https://01.functions-gateway.chain.link/` `https://02.functions-gateway.chain.link/`

Billing Item	Value
Premium fees (converted to LINK at request time)	3 cents USD
Request threshold (withdrawing funds)	10 requests
Cancellation fees (withdrawing funds)	0.1 LINK
Minimum balance for uploading encrypted secrets	0.1 LINK

BASE Sepolia testnet

Item	Value
Functions router	0xf9B8fc078197181C841c296C876945aaa425B278
DON ID	`fun-base-sepolia-1` / `0x6675...0000`
Encrypted secrets upload endpoints	`https://01.functions-gateway.testnet.chain.link/` `https://02.functions-gateway.testnet.chain.link/`

Billing Item	Value
Premium fees (converted to LINK at request time)	320 cents USD
Request threshold (withdrawing funds)	10 requests
Cancellation fees (withdrawing funds)	2 LINK
Minimum balance for uploading encrypted secrets	2 LINK

Optimism

Optimism Sepolia testnet

Item	Value
Functions router	0xC17094E3A1348E5C7544D4fF8A36c28f2C6AAE28
DON ID	`fun-optimism-sepolia-1` / `0x6675...0000`
Encrypted secrets upload endpoints	`https://01.functions-gateway.testnet.chain.link/` `https://02.functions-gateway.testnet.chain.link/`

Billing Item	Value
Premium fees (converted to LINK at request time)	320 cents USD
Request threshold (withdrawing funds)	10 requests
Cancellation fees (withdrawing funds)	2 LINK
Minimum balance for uploading encrypted secrets	2 LINK