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Create or update a contact by identifier

Create or Update Contact by Identifier

patch
Authorizations
Path parameters
workspaceIdstring · uuidRequired

Your workspace identifier.

Example: b4e02c85-c6d2-4b15-8885-e09671799c61
identifierKeystring · min: 1 · max: 250Required

The identifier key

Example: emailaddress
identifierValuestring · min: 1 · max: 500Required

The identifier value

Example: [email protected]
Body
allowWritingReadOnlybooleanOptional

Whether to allow writing to read-only attributes. (this is only allowed if the request origin is from flows or journeys)

Default: false
strategystring · enumOptional

Strategy for resolving contact conflicts when identifiers match multiple contacts:

  • strict_alias: All identifiers must match a single contact, otherwise an error is returned. All non-matching identifiers will be added to the contact that was found (default).
  • first_alias: Uses priority-based filtering to find the first matching identifier. When a contact is found, all other identifiers are tried to be added to that contact, but that is allowed to fail.
  • first: Uses priority-based filtering to find the first matching identifier. No other identifiers are added when a contact is found. When nothing is found, a contact will be created using only the first provided identifier.
Default: strict_aliasPossible values:
addToListsstring · uuid[] · max: 10Optional

The list of list ids to add the contact to.

Example: 123e4567-e89b-12d3-a456-426614174000
removeFromListsstring · uuid[] · max: 10Optional

The list of list ids to remove the contact from.

Example: 123e4567-e89b-12d3-a456-426614174000
listIdsstring · uuid[] · max: 10Optional

The list of list ids for the contact.

Example: 123e4567-e89b-12d3-a456-426614174000
addToAccountsstring · uuid[] · max: 10Optional

The list of account ids to add the contact to.

Example: 123e4567-e89b-12d3-a456-426614174000
removeFromAccountsstring · uuid[] · max: 10Optional

The list of account ids to remove the contact from.

Example: 123e4567-e89b-12d3-a456-426614174000
accountIdsstring · uuid[] · min: 1 · max: 10Optional

The list of account ids for the contact.

Example: 123e4567-e89b-12d3-a456-426614174000
Other propertiesanyOptional
Responses
200

Updated

application/json
patch
PATCH /workspaces/{workspaceId}/contacts/identifiers/{identifierKey}/{identifierValue} HTTP/1.1
Host: api.bird.com
Authorization: Bearer YOUR_SECRET_TOKEN
Content-Type: application/json
Accept: */*
Content-Length: 773

{
  "allowWritingReadOnly": false,
  "strategy": "strict_alias",
  "attributes": {
    "firstName": "John",
    "lastName": "Smith",
    "rating": 9.6,
    "cookiesAccepted": false,
    "labels": [
      "A",
      "B",
      "C"
    ]
  },
  "addIdentifiers": [
    {
      "key": "secondaryEmailAddress",
      "value": "[email protected]",
      "properties": {
        "countryCode": "US",
        "isGmail": true
      }
    }
  ],
  "removeIdentifiers": [
    {
      "key": "secondaryEmailAddress",
      "value": "[email protected]"
    }
  ],
  "addToLists": [
    "123e4567-e89b-12d3-a456-426614174000"
  ],
  "removeFromLists": [
    "123e4567-e89b-12d3-a456-426614174000"
  ],
  "listIds": [
    "123e4567-e89b-12d3-a456-426614174000"
  ],
  "addToAccounts": [
    "123e4567-e89b-12d3-a456-426614174000"
  ],
  "removeFromAccounts": [
    "123e4567-e89b-12d3-a456-426614174000"
  ],
  "accountIds": [
    "123e4567-e89b-12d3-a456-426614174000"
  ],
  "ANY_ADDITIONAL_PROPERTY": "anything"
}
{
  "id": "123e4567-e89b-12d3-a456-426614174000",
  "computedDisplayName": "John Doe",
  "createdAt": "2025-10-08T18:30:56.771Z",
  "updatedAt": "2025-10-08T18:30:56.771Z",
  "workspaceId": "123e4567-e89b-12d3-a456-426614174000",
  "featuredIdentifiers": [
    {
      "key": "emailaddress",
      "value": "[email protected]"
    }
  ],
  "attributes": {
    "firstName": "John",
    "lastName": "Smith",
    "rating": 9.6,
    "cookiesAccepted": false,
    "labels": [
      "A",
      "B",
      "C"
    ]
  },
  "identifierCount": 2,
  "accountIds": [
    "123e4567-e89b-12d3-a456-426614174000"
  ],
  "listIds": [
    "123e4567-e89b-12d3-a456-426614174000"
  ]
}

Examples

Let's establish some of our data that will be used in the following examples:

  • Workspace ID: a1405560-c8d3-4b1a-877d-3f449ad95352

  • AccessKey: abcd

  • Contact ID: 12bd0e40-9361-4e32-8b26-99b4ab7eae09

Update contact's identifiers

In this example, we're updating a contact providing identifiers. To know more about identifiers, please refer to this documentation.

curl -X PATCH "https://api.bird.com/workspaces/a1405560-c8d3-4b1a-877d-3f449ad95352/contacts/identifiers/emailaddress/[email protected]" \
-H "Content-Type: application/json" \
-H "Authorization: AccessKey abcd" \
-d '{
  "addIdentifiers": [
    {
      "key": "phonenumber",
      "value": "+31412345678"
    }
  ]
}'

Update contact's attributes

In this example, we're updating a contact providing attributes. To know more about attributes, please refer to this documentation.

curl -X PATCH "https://api.bird.com/workspaces/a1405560-c8d3-4b1a-877d-3f449ad95352/contacts/identifiers/emailaddress/[email protected]" \
-H "Content-Type: application/json" \
-H "Authorization: AccessKey abcd" \
-d '{
  "attributes": {
    "countryCode": "US"
  }
}'

Create a new contact

In this example, we're creating a new contact because the provided identifier is not being used by any existing contacts.

curl -X PATCH "https://api.bird.com/workspaces/a1405560-c8d3-4b1a-877d-3f449ad95352/contacts/identifiers/emailaddress/[email protected]" \
-H "Content-Type: application/json" \
-H "Authorization: AccessKey abcd" \
-d '{
  "attributes": {
    "firstName": "John",
    "lastName": "Doe",
    "countryCode": "US"
  },
  "addIdentifiers": [
    {
      "key": "phonenumber",
      "value": "+31412345678"
    }
  ]
}'

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