Getting started
Quote endpoints
Registering a solver
API interface for solvers
curl --request POST \
--url https://api.example.com/api/v2/quote/reverse \
--header 'Content-Type: application/json' \
--data '
{
"quoteID": "quote:966ee977-586b-4bca-abf1-e7def508a19c",
"dAppID": "<string>",
"intentExecutionTypes": [
"SELF_PUBLISH"
],
"quoteRequest": {
"sourceChainID": 123,
"destinationChainID": 123,
"sourceToken": "<string>",
"destinationToken": "<string>",
"sourceAmount": "<string>",
"funder": "<string>",
"recipient": "<string>",
"refundRecipient": "<string>"
},
"contracts": {
"sourcePortal": "0x1234567890abcdef1234567890abcdef12345678",
"destinationPortal": "0x567890abcdef1234567890abcdef1234567890ab",
"prover": "0xabcdef1234567890abcdef1234567890abcdef12"
},
"gaslessIntentData": {
"permit3": {
"chainId": 1,
"permitContract": "0x1234567890123456789012345678901234567890",
"owner": "0x0987654321098765432109876543210987654321",
"salt": "0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef",
"signature": "0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef1b",
"deadline": 1699999999,
"timestamp": 1699988888,
"merkleRoot": "0xabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcd",
"leaves": [
"0xabcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890",
"0xfedcba0987654321fedcba0987654321fedcba0987654321fedcba0987654321"
],
"allowanceOrTransfers": [
{
"chainID": 1,
"modeOrExpiration": 0,
"tokenKey": "0x000000000000000000000000a0b86a33e6441b8ec2c8c7e5b0d77d5fdda0c4e4",
"account": "0x742d35cc6634c0532925a3b8b0eff6a2db3b51a",
"amountDelta": "1000000000000000000"
}
]
},
"allowPartial": false
}
}
'Post apiv2quotereverse
curl --request POST \
--url https://api.example.com/api/v2/quote/reverse \
--header 'Content-Type: application/json' \
--data '
{
"quoteID": "quote:966ee977-586b-4bca-abf1-e7def508a19c",
"dAppID": "<string>",
"intentExecutionTypes": [
"SELF_PUBLISH"
],
"quoteRequest": {
"sourceChainID": 123,
"destinationChainID": 123,
"sourceToken": "<string>",
"destinationToken": "<string>",
"sourceAmount": "<string>",
"funder": "<string>",
"recipient": "<string>",
"refundRecipient": "<string>"
},
"contracts": {
"sourcePortal": "0x1234567890abcdef1234567890abcdef12345678",
"destinationPortal": "0x567890abcdef1234567890abcdef1234567890ab",
"prover": "0xabcdef1234567890abcdef1234567890abcdef12"
},
"gaslessIntentData": {
"permit3": {
"chainId": 1,
"permitContract": "0x1234567890123456789012345678901234567890",
"owner": "0x0987654321098765432109876543210987654321",
"salt": "0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef",
"signature": "0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef1b",
"deadline": 1699999999,
"timestamp": 1699988888,
"merkleRoot": "0xabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcd",
"leaves": [
"0xabcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890",
"0xfedcba0987654321fedcba0987654321fedcba0987654321fedcba0987654321"
],
"allowanceOrTransfers": [
{
"chainID": 1,
"modeOrExpiration": 0,
"tokenKey": "0x000000000000000000000000a0b86a33e6441b8ec2c8c7e5b0d77d5fdda0c4e4",
"account": "0x742d35cc6634c0532925a3b8b0eff6a2db3b51a",
"amountDelta": "1000000000000000000"
}
]
},
"allowPartial": false
}
}
'Body
Unique identifier for the quote request
"quote:966ee977-586b-4bca-abf1-e7def508a19c"
Array of intent execution types to fetch quotes for
SELF_PUBLISH, GASLESS ["SELF_PUBLISH"]Show child attributes
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Contract address for the intent source (where intents are created and managed)
"0x1234567890abcdef1234567890abcdef12345678"
Contract address for the inbox (receives and processes cross-chain messages)
"0x567890abcdef1234567890abcdef1234567890ab"
Contract address for the prover (handles cross-chain proof verification)
"0xabcdef1234567890abcdef1234567890abcdef12"
Optional gasless intent data containing permit signatures for token approvals and execution configuration
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Permit3 signature data for multi-chain token approvals
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The original chain ID where the request is being signed or executed
1
Address of the Permit3 contract
"0x1234567890123456789012345678901234567890"
Owner address of the tokens being permitted
"0x0987654321098765432109876543210987654321"
Unique salt value used for EIP-712 signature and nonce tracking
"0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef"
EIP-712 cryptographic signature from the token owner
"0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef1b"
Expiration timestamp for the permit signature (uint48)
1699999999
Unix timestamp when the permit was created (uint48)
1699988888
Merkle root hash representing all chain permit leaves
"0xabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcd"
Optional array of Merkle tree leaves (hashed ChainPermits), useful for client-side debugging or proof regeneration
[
"0xabcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890",
"0xfedcba0987654321fedcba0987654321fedcba0987654321fedcba0987654321"
]Flattened list of all permits across chains used to construct ChainPermits and Merkle tree leaves
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The chain ID where the allowance or transfer occurs
1
Mode for transfer (0) or expiration timestamp for allowance update
0
Encoded tokenKey (ERC20: padded address, NFT: hash of token + tokenId)
"0x000000000000000000000000a0b86a33e6441b8ec2c8c7e5b0d77d5fdda0c4e4"
Account address receiving the allowance or transfer
"0x742d35cc6634c0532925a3b8b0eff6a2db3b51a"
Amount delta for the allowance or transfer (in wei)
"1000000000000000000"
Whether to allow partial funding of the intent
false