post

/v4/auth/login

Authenticate a user and set a JWT cookie for session management.

Request body

addressstring

required

messagestring

required

signaturestring

required

chainIdnumber

Chain ID of the wallet

Responses

200

Response for status 200

Schema

object

successboolean

required

Whether login was successful

tokenstringJWT token for Authorization header — only returned in development for cross-site cookie fallback

Example

{
  "success": false,
  "token": "string"
}

post

https://api.merkl.xyz/v4/auth/login

Merkl API

curl -X POST "https://api.merkl.xyz/v4/auth/login" \
  -H "Content-Type: application/json" \
  -d '{ "address": "0xd93814273b33DD33B32cD345225CfB65DEB048Dd" }'

Live request: this will call https://api.merkl.xyz/ for real.