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POST
/
v1
/
auth
/
register
/
address
Update Physical Address
curl --request POST \
  --url https://api.example.com/v1/auth/register/address \
  --header 'Content-Type: application/json' \
  --data '
{
  "onboardingId": "<string>",
  "addressLine1": "<string>",
  "addressLine2": "<string>",
  "city": "<string>",
  "zip": "<string>",
  "usState": "<string>",
  "isSameMailingAddress": true
}
'
{
  "accessToken": "<string>",
  "onboardingId": "<string>",
  "user": {}
}

Documentation Index

Fetch the complete documentation index at: https://docs.baanx.com/llms.txt

Use this file to discover all available pages before exploring further.

​
Overview

Submit user’s physical residential address. This is required for KYC verification and compliance purposes. For US residents, you can optionally specify a separate mailing address. For non-US residents, mailing address must be the same as physical address.

​
Request

​
Body

​
onboardingId
string
required
Onboarding ID from previous step
​
addressLine1
string
required
Primary address lineExample: 23 Werrington Bridge Rd
​
addressLine2
string
Secondary address line (optional)Example: Milking Nook
​
city
string
required
City nameExample: Peterborough
​
zip
string
required
Postal/ZIP codeExample: PE6 7PP
​
usState
string
US state postal abbreviationRequired only if: countryOfResidence = USExample: CA
​
isSameMailingAddress
boolean
required
Whether mailing address is same as physicalMust be true unless: countryOfResidence = USExample: true

​
Response

​
accessToken
string
Access token (only if registration complete)Returned when isSameMailingAddress = true OR non-US residentExample: US_100a99cf-f4d3-4fa1-c321-2e9833440ebb
​
onboardingId
string
Updated onboarding ID
​
user
object
Updated user object with address

​
Code Examples

const response = await fetch('https://dev.api.baanx.com/v1/auth/register/address', {
  method: 'POST',
  headers: {
    'x-client-key': 'your-client-key',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    onboardingId: sessionStorage.getItem('onboardingId'),
    addressLine1: '23 Werrington Bridge Rd',
    addressLine2: 'Milking Nook',
    city: 'Peterborough',
    zip: 'PE6 7PP',
    isSameMailingAddress: true
  })
});

const { accessToken, user } = await response.json();

if (accessToken) {
  // Registration complete
  localStorage.setItem('access_token', accessToken);
  console.log('Registration complete!');
} else {
  // US resident - need mailing address
  console.log('Proceed to mailing address step');
}
If accessToken is returned, registration is complete. Otherwise, proceed to mailing address step (US only).

​
Next Steps

Update Mailing Address

Add mailing address (US residents only)