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MP-Manager/n8n/API Docs/categories/associations-api.md
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GHL Associations API

Endpoints: 10 Base URL: https://rest.gohighlevel.com/v1

Version Header(s): 2021-07-28

Endpoints

GET /associations/

Summary: Get all associations for a sub-account / location

Get all Associations

Version Header: 2021-07-28

Operation ID: find-associations

Tags: Associations

cURL

curl -X GET 'https://rest.gohighlevel.com/v1/associations/?locationId=string&skip=10&limit=100' \
  -H 'Authorization: Bearer YOUR_API_TOKEN' \
  -H 'Version: 2021-07-28' \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json' \
  -H 'User-Agent: YourApp/1.0'

Python (http.client)

import http.client
import json

conn = http.client.HTTPSConnection('rest.gohighlevel.com')

headers = {
    'Authorization': 'Bearer YOUR_API_TOKEN',
    'Version': '2021-07-28',
    'Content-Type': 'application/json',
    'Accept': 'application/json',
    'User-Agent': 'YourApp/1.0',
}

conn.request('GET', '/v1/associations/?locationId=string&skip=10&limit=100', headers=headers)

response = conn.getresponse()
data = json.loads(response.read().decode())
print(json.dumps(data, indent=2))
conn.close()

n8n HTTP Node

{
  "name": "GHL - GET associations",
  "type": "n8n-nodes-base.httpRequest",
  "parameters": {
    "method": "GET",
    "url": "https://rest.gohighlevel.com/v1/associations/",
    "authentication": "genericCredentialType",
    "genericAuthType": "httpHeaderAuth",
    "sendHeaders": true,
    "headerParameters": {
      "parameters": [
        {
          "name": "Authorization",
          "value": "Bearer YOUR_API_TOKEN"
        },
        {
          "name": "Version",
          "value": "2021-07-28"
        },
        {
          "name": "Content-Type",
          "value": "application/json"
        },
        {
          "name": "Accept",
          "value": "application/json"
        },
        {
          "name": "User-Agent",
          "value": "YourApp/1.0"
        }
      ]
    },
    "sendBody": false,
    "bodyParameters": {
      "parameters": []
    },
    "options": {},
    "sendQuery": true,
    "queryParameters": {
      "parameters": [
        {
          "name": "locationId",
          "value": "string"
        },
        {
          "name": "skip",
          "value": "10"
        },
        {
          "name": "limit",
          "value": "100"
        }
      ]
    }
  }
}

To use in n8n:

  1. Add an HTTP Request node
  2. Switch to JSON mode (Parameters → use RAW JSON)
  3. Paste the JSON above
  4. Update YOUR_API_TOKEN with your actual GHL API key

Request Parameters

Name Location Type Required Description
locationId Query string ✅ [example: string]
skip Query number ✅ [example: 10]
limit Query number ✅ [example: 100]

Response Codes

Code Description Schema
200 Successful response - locationId (string) (required) (e.g. string)
- id (string) (required) (e.g. ve9EPM428h8vShlRW1KT)
- key (string) (required)...
400 Bad Request Standard error response for bad requests (400). Contains message, statusCode fields.
401 Unauthorized Standard error response for unauthorized requests (401). Contains message, statusCode fields.
422 Unprocessable Entity Standard error response for unprocessable entity (422). Contains message, statusCode, errors array fields.

⚠️ Special Notes & Quirks

⚠️ User-Agent Required: All GHL API requests require a User-Agent HTTP header. Requests without it may be rejected with a 403 error.

POST /associations/

Summary: Create Association

Allow you to create contact - contact , contact - custom objects associations, will add more in the future.Documentation Link - https://doc.clickup.com/8631005/d/h/87cpx-293776/cd0f4122abc04d3

Version Header: 2021-07-28

📖 Official Documentation

Operation ID: create-association

Tags: Associations

cURL

curl -X POST 'https://rest.gohighlevel.com/v1/associations/' \
  -H 'Authorization: Bearer YOUR_API_TOKEN' \
  -H 'Version: 2021-07-28' \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json' \
  -H 'User-Agent: YourApp/1.0' \
  -d '{}'  # See request body schema below

Python (http.client)

import http.client
import json

conn = http.client.HTTPSConnection('rest.gohighlevel.com')

headers = {
    'Authorization': 'Bearer YOUR_API_TOKEN',
    'Version': '2021-07-28',
    'Content-Type': 'application/json',
    'Accept': 'application/json',
    'User-Agent': 'YourApp/1.0',
}

payload = json.dumps({})
conn.request('POST', '/v1/associations/', body=payload, headers=headers)

response = conn.getresponse()
data = json.loads(response.read().decode())
print(json.dumps(data, indent=2))
conn.close()

n8n HTTP Node

{
  "name": "GHL - POST associations",
  "type": "n8n-nodes-base.httpRequest",
  "parameters": {
    "method": "POST",
    "url": "https://rest.gohighlevel.com/v1/associations/",
    "authentication": "genericCredentialType",
    "genericAuthType": "httpHeaderAuth",
    "sendHeaders": true,
    "headerParameters": {
      "parameters": [
        {
          "name": "Authorization",
          "value": "Bearer YOUR_API_TOKEN"
        },
        {
          "name": "Version",
          "value": "2021-07-28"
        },
        {
          "name": "Content-Type",
          "value": "application/json"
        },
        {
          "name": "Accept",
          "value": "application/json"
        },
        {
          "name": "User-Agent",
          "value": "YourApp/1.0"
        }
      ]
    },
    "sendBody": true,
    "bodyParameters": {
      "parameters": []
    },
    "options": {}
  }
}

To use in n8n:

  1. Add an HTTP Request node
  2. Switch to JSON mode (Parameters → use RAW JSON)
  3. Paste the JSON above
  4. Update YOUR_API_TOKEN with your actual GHL API key

Request Body Schema

  • locationId (string) (required) (e.g. string)
  • key (string) (required) (e.g. student_teacher): Association's Unique key
  • firstObjectLabel (object) (required) (e.g. student): First Objects Association Label (custom_objects.children)
  • firstObjectKey (object) (required) (e.g. custom_objects.children): First Objects Key
  • secondObjectLabel (object) (required) (e.g. Teacher): Second Object Association Label (contact)
  • secondObjectKey (object) (required) (e.g. contact): Second Objects Key

Response Codes

Code Description Schema
201 Successful response - locationId (string) (required) (e.g. string)
- id (string) (required) (e.g. ve9EPM428h8vShlRW1KT)
- key (string) (required)...
400 Bad Request Standard error response for bad requests (400). Contains message, statusCode fields.
401 Unauthorized Standard error response for unauthorized requests (401). Contains message, statusCode fields.
422 Unprocessable Entity Standard error response for unprocessable entity (422). Contains message, statusCode, errors array fields.

⚠️ Special Notes & Quirks

⚠️ User-Agent Required: All GHL API requests require a User-Agent HTTP header. Requests without it may be rejected with a 403 error.

GET /associations/key/{key_name}

Summary: Get association key by key name

Using this api you can get standard / user defined association by key

Version Header: 2021-07-28

Operation ID: get-association-key-by-key-name

Tags: Associations

cURL

curl -X GET 'https://rest.gohighlevel.com/v1/associations/key/VALUE?locationId=VALUE' \
  -H 'Authorization: Bearer YOUR_API_TOKEN' \
  -H 'Version: 2021-07-28' \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json' \
  -H 'User-Agent: YourApp/1.0'

Python (http.client)

import http.client
import json

conn = http.client.HTTPSConnection('rest.gohighlevel.com')

headers = {
    'Authorization': 'Bearer YOUR_API_TOKEN',
    'Version': '2021-07-28',
    'Content-Type': 'application/json',
    'Accept': 'application/json',
    'User-Agent': 'YourApp/1.0',
}

conn.request('GET', '/v1/associations/key/VALUE?locationId=VALUE', headers=headers)

response = conn.getresponse()
data = json.loads(response.read().decode())
print(json.dumps(data, indent=2))
conn.close()

n8n HTTP Node

{
  "name": "GHL - GET VALUE",
  "type": "n8n-nodes-base.httpRequest",
  "parameters": {
    "method": "GET",
    "url": "https://rest.gohighlevel.com/v1/associations/key/VALUE",
    "authentication": "genericCredentialType",
    "genericAuthType": "httpHeaderAuth",
    "sendHeaders": true,
    "headerParameters": {
      "parameters": [
        {
          "name": "Authorization",
          "value": "Bearer YOUR_API_TOKEN"
        },
        {
          "name": "Version",
          "value": "2021-07-28"
        },
        {
          "name": "Content-Type",
          "value": "application/json"
        },
        {
          "name": "Accept",
          "value": "application/json"
        },
        {
          "name": "User-Agent",
          "value": "YourApp/1.0"
        }
      ]
    },
    "sendBody": false,
    "bodyParameters": {
      "parameters": []
    },
    "options": {},
    "sendQuery": true,
    "queryParameters": {
      "parameters": [
        {
          "name": "locationId",
          "value": "VALUE"
        }
      ]
    }
  }
}

To use in n8n:

  1. Add an HTTP Request node
  2. Switch to JSON mode (Parameters → use RAW JSON)
  3. Paste the JSON above
  4. Update YOUR_API_TOKEN with your actual GHL API key

Request Parameters

Name Location Type Required Description
key_name Path string ✅
locationId Query string ✅

Response Codes

Code Description Schema
200 Successful response - locationId (string) (required) (e.g. string)
- id (string) (required) (e.g. ve9EPM428h8vShlRW1KT)
- key (string) (required)...
400 Bad Request Standard error response for bad requests (400). Contains message, statusCode fields.
401 Unauthorized Standard error response for unauthorized requests (401). Contains message, statusCode fields.
422 Unprocessable Entity Standard error response for unprocessable entity (422). Contains message, statusCode, errors array fields.

⚠️ Special Notes & Quirks

⚠️ User-Agent Required: All GHL API requests require a User-Agent HTTP header. Requests without it may be rejected with a 403 error.

GET /associations/objectKey/{objectKey}

Summary: Get association by object keys

Get association by object keys like contacts, custom objects and opportunities. Documentation Link - https://doc.clickup.com/8631005/d/h/87cpx-293776/cd0f4122abc04d3

Version Header: 2021-07-28

📖 Official Documentation

Operation ID: get-association-by-object-keys

Tags: Associations

cURL

curl -X GET 'https://rest.gohighlevel.com/v1/associations/objectKey/custom_objects.car?locationId=ve9EPM428h8vShlRW1KT' \
  -H 'Authorization: Bearer YOUR_API_TOKEN' \
  -H 'Version: 2021-07-28' \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json' \
  -H 'User-Agent: YourApp/1.0'

Python (http.client)

import http.client
import json

conn = http.client.HTTPSConnection('rest.gohighlevel.com')

headers = {
    'Authorization': 'Bearer YOUR_API_TOKEN',
    'Version': '2021-07-28',
    'Content-Type': 'application/json',
    'Accept': 'application/json',
    'User-Agent': 'YourApp/1.0',
}

conn.request('GET', '/v1/associations/objectKey/custom_objects.car?locationId=ve9EPM428h8vShlRW1KT', headers=headers)

response = conn.getresponse()
data = json.loads(response.read().decode())
print(json.dumps(data, indent=2))
conn.close()

n8n HTTP Node

{
  "name": "GHL - GET custom_objects.car",
  "type": "n8n-nodes-base.httpRequest",
  "parameters": {
    "method": "GET",
    "url": "https://rest.gohighlevel.com/v1/associations/objectKey/custom_objects.car",
    "authentication": "genericCredentialType",
    "genericAuthType": "httpHeaderAuth",
    "sendHeaders": true,
    "headerParameters": {
      "parameters": [
        {
          "name": "Authorization",
          "value": "Bearer YOUR_API_TOKEN"
        },
        {
          "name": "Version",
          "value": "2021-07-28"
        },
        {
          "name": "Content-Type",
          "value": "application/json"
        },
        {
          "name": "Accept",
          "value": "application/json"
        },
        {
          "name": "User-Agent",
          "value": "YourApp/1.0"
        }
      ]
    },
    "sendBody": false,
    "bodyParameters": {
      "parameters": []
    },
    "options": {},
    "sendQuery": true,
    "queryParameters": {
      "parameters": [
        {
          "name": "locationId",
          "value": "ve9EPM428h8vShlRW1KT"
        }
      ]
    }
  }
}

To use in n8n:

  1. Add an HTTP Request node
  2. Switch to JSON mode (Parameters → use RAW JSON)
  3. Paste the JSON above
  4. Update YOUR_API_TOKEN with your actual GHL API key

Request Parameters

Name Location Type Required Description
objectKey Path string — [example: custom_objects.car]
locationId Query string — [example: ve9EPM428h8vShlRW1KT]

Response Codes

Code Description Schema
200 Successful response - locationId (string) (required) (e.g. string)
- id (string) (required) (e.g. ve9EPM428h8vShlRW1KT)
- key (string) (required)...
400 Bad Request Standard error response for bad requests (400). Contains message, statusCode fields.
401 Unauthorized Standard error response for unauthorized requests (401). Contains message, statusCode fields.
422 Unprocessable Entity Standard error response for unprocessable entity (422). Contains message, statusCode, errors array fields.

⚠️ Special Notes & Quirks

⚠️ User-Agent Required: All GHL API requests require a User-Agent HTTP header. Requests without it may be rejected with a 403 error.

POST /associations/relations

Summary: Create Relation for you associated entities.

Create Relation.Documentation Link - https://doc.clickup.com/8631005/d/h/87cpx-293776/cd0f4122abc04d3

Version Header: 2021-07-28

📖 Official Documentation

Operation ID: create-relation

Tags: Relations

cURL

curl -X POST 'https://rest.gohighlevel.com/v1/associations/relations' \
  -H 'Authorization: Bearer YOUR_API_TOKEN' \
  -H 'Version: 2021-07-28' \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json' \
  -H 'User-Agent: YourApp/1.0' \
  -d '{}'  # See request body schema below

Python (http.client)

import http.client
import json

conn = http.client.HTTPSConnection('rest.gohighlevel.com')

headers = {
    'Authorization': 'Bearer YOUR_API_TOKEN',
    'Version': '2021-07-28',
    'Content-Type': 'application/json',
    'Accept': 'application/json',
    'User-Agent': 'YourApp/1.0',
}

payload = json.dumps({})
conn.request('POST', '/v1/associations/relations', body=payload, headers=headers)

response = conn.getresponse()
data = json.loads(response.read().decode())
print(json.dumps(data, indent=2))
conn.close()

n8n HTTP Node

{
  "name": "GHL - POST relations",
  "type": "n8n-nodes-base.httpRequest",
  "parameters": {
    "method": "POST",
    "url": "https://rest.gohighlevel.com/v1/associations/relations",
    "authentication": "genericCredentialType",
    "genericAuthType": "httpHeaderAuth",
    "sendHeaders": true,
    "headerParameters": {
      "parameters": [
        {
          "name": "Authorization",
          "value": "Bearer YOUR_API_TOKEN"
        },
        {
          "name": "Version",
          "value": "2021-07-28"
        },
        {
          "name": "Content-Type",
          "value": "application/json"
        },
        {
          "name": "Accept",
          "value": "application/json"
        },
        {
          "name": "User-Agent",
          "value": "YourApp/1.0"
        }
      ]
    },
    "sendBody": true,
    "bodyParameters": {
      "parameters": []
    },
    "options": {}
  }
}

To use in n8n:

  1. Add an HTTP Request node
  2. Switch to JSON mode (Parameters → use RAW JSON)
  3. Paste the JSON above
  4. Update YOUR_API_TOKEN with your actual GHL API key

Request Body Schema

  • locationId (string) (required) (e.g. clF1LD04GTUKN3b3XuOj): Your Sub Account's ID
  • associationId (string) (required) (e.g. ve9EPM428h8vShlRW1KT): Association's Id
  • firstRecordId (string) (required) (e.g. ve9EPM428h8vShlRW1KT): First Record's Id. For instance, if you have an association between a contact and a custom object, and you specify the contact as the first object while creating the association, then your firstRecordId would be the contactId
  • secondRecordId (string) (required) (e.g. ve9EPM428h8vShlRW1KT): Second Record's Id.For instance, if you have an association between a contact and a custom object, and you specify the custom object as the second entity while creating the association, then your secondRecordId would be the customObject record Id

Response Codes

Code Description Schema
201 Successful response - locationId (string) (required) (e.g. string)
- id (string) (required) (e.g. ve9EPM428h8vShlRW1KT)
- key (string) (required)...
400 Bad Request Standard error response for bad requests (400). Contains message, statusCode fields.
401 Unauthorized Standard error response for unauthorized requests (401). Contains message, statusCode fields.
422 Unprocessable Entity Standard error response for unprocessable entity (422). Contains message, statusCode, errors array fields.

⚠️ Special Notes & Quirks

⚠️ User-Agent Required: All GHL API requests require a User-Agent HTTP header. Requests without it may be rejected with a 403 error.

GET /associations/relations/{recordId}

Summary: Get all relations By record Id

Get all relations by record Id

Version Header: 2021-07-28

Operation ID: get-relations-by-record-id

Tags: Relations

cURL

curl -X GET 'https://rest.gohighlevel.com/v1/associations/relations/VALUE?locationId=clF1LD04GTUKN3b3XuOj&skip=10&limit=100&associationIds=VALUE' \
  -H 'Authorization: Bearer YOUR_API_TOKEN' \
  -H 'Version: 2021-07-28' \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json' \
  -H 'User-Agent: YourApp/1.0'

Python (http.client)

import http.client
import json

conn = http.client.HTTPSConnection('rest.gohighlevel.com')

headers = {
    'Authorization': 'Bearer YOUR_API_TOKEN',
    'Version': '2021-07-28',
    'Content-Type': 'application/json',
    'Accept': 'application/json',
    'User-Agent': 'YourApp/1.0',
}

conn.request('GET', '/v1/associations/relations/VALUE?locationId=clF1LD04GTUKN3b3XuOj&skip=10&limit=100&associationIds=VALUE', headers=headers)

response = conn.getresponse()
data = json.loads(response.read().decode())
print(json.dumps(data, indent=2))
conn.close()

n8n HTTP Node

{
  "name": "GHL - GET VALUE",
  "type": "n8n-nodes-base.httpRequest",
  "parameters": {
    "method": "GET",
    "url": "https://rest.gohighlevel.com/v1/associations/relations/VALUE",
    "authentication": "genericCredentialType",
    "genericAuthType": "httpHeaderAuth",
    "sendHeaders": true,
    "headerParameters": {
      "parameters": [
        {
          "name": "Authorization",
          "value": "Bearer YOUR_API_TOKEN"
        },
        {
          "name": "Version",
          "value": "2021-07-28"
        },
        {
          "name": "Content-Type",
          "value": "application/json"
        },
        {
          "name": "Accept",
          "value": "application/json"
        },
        {
          "name": "User-Agent",
          "value": "YourApp/1.0"
        }
      ]
    },
    "sendBody": false,
    "bodyParameters": {
      "parameters": []
    },
    "options": {},
    "sendQuery": true,
    "queryParameters": {
      "parameters": [
        {
          "name": "locationId",
          "value": "clF1LD04GTUKN3b3XuOj"
        },
        {
          "name": "skip",
          "value": "10"
        },
        {
          "name": "limit",
          "value": "100"
        },
        {
          "name": "associationIds",
          "value": "VALUE"
        }
      ]
    }
  }
}

To use in n8n:

  1. Add an HTTP Request node
  2. Switch to JSON mode (Parameters → use RAW JSON)
  3. Paste the JSON above
  4. Update YOUR_API_TOKEN with your actual GHL API key

Request Parameters

Name Location Type Required Description
recordId Path string ✅
locationId Query string ✅ Your Sub Account's ID [example: clF1LD04GTUKN3b3XuOj]
skip Query number ✅ [example: 10]
limit Query number ✅ [example: 100]
associationIds Query array — Association Ids

Response Codes

Code Description Schema
200 Successful response - locationId (string) (required) (e.g. string)
- id (string) (required) (e.g. ve9EPM428h8vShlRW1KT)
- key (string) (required)...
400 Bad Request Standard error response for bad requests (400). Contains message, statusCode fields.
401 Unauthorized Standard error response for unauthorized requests (401). Contains message, statusCode fields.
422 Unprocessable Entity Standard error response for unprocessable entity (422). Contains message, statusCode, errors array fields.

⚠️ Special Notes & Quirks

⚠️ User-Agent Required: All GHL API requests require a User-Agent HTTP header. Requests without it may be rejected with a 403 error.

DELETE /associations/relations/{relationId}

Summary: Delete Relation

Delete Relation

Version Header: 2021-07-28

Operation ID: delete-relation

Tags: Relations

cURL

curl -X DELETE 'https://rest.gohighlevel.com/v1/associations/relations/VALUE?locationId=clF1LD04GTUKN3b3XuOj' \
  -H 'Authorization: Bearer YOUR_API_TOKEN' \
  -H 'Version: 2021-07-28' \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json' \
  -H 'User-Agent: YourApp/1.0'

Python (http.client)

import http.client
import json

conn = http.client.HTTPSConnection('rest.gohighlevel.com')

headers = {
    'Authorization': 'Bearer YOUR_API_TOKEN',
    'Version': '2021-07-28',
    'Content-Type': 'application/json',
    'Accept': 'application/json',
    'User-Agent': 'YourApp/1.0',
}

conn.request('DELETE', '/v1/associations/relations/VALUE?locationId=clF1LD04GTUKN3b3XuOj', headers=headers)

response = conn.getresponse()
data = json.loads(response.read().decode())
print(json.dumps(data, indent=2))
conn.close()

n8n HTTP Node

{
  "name": "GHL - DELETE VALUE",
  "type": "n8n-nodes-base.httpRequest",
  "parameters": {
    "method": "DELETE",
    "url": "https://rest.gohighlevel.com/v1/associations/relations/VALUE",
    "authentication": "genericCredentialType",
    "genericAuthType": "httpHeaderAuth",
    "sendHeaders": true,
    "headerParameters": {
      "parameters": [
        {
          "name": "Authorization",
          "value": "Bearer YOUR_API_TOKEN"
        },
        {
          "name": "Version",
          "value": "2021-07-28"
        },
        {
          "name": "Content-Type",
          "value": "application/json"
        },
        {
          "name": "Accept",
          "value": "application/json"
        },
        {
          "name": "User-Agent",
          "value": "YourApp/1.0"
        }
      ]
    },
    "sendBody": false,
    "bodyParameters": {
      "parameters": []
    },
    "options": {},
    "sendQuery": true,
    "queryParameters": {
      "parameters": [
        {
          "name": "locationId",
          "value": "clF1LD04GTUKN3b3XuOj"
        }
      ]
    }
  }
}

To use in n8n:

  1. Add an HTTP Request node
  2. Switch to JSON mode (Parameters → use RAW JSON)
  3. Paste the JSON above
  4. Update YOUR_API_TOKEN with your actual GHL API key

Request Parameters

Name Location Type Required Description
relationId Path string ✅
locationId Query string ✅ Your Sub Account's ID [example: clF1LD04GTUKN3b3XuOj]

Response Codes

Code Description Schema
200 Successful response - locationId (string) (required) (e.g. string)
- id (string) (required) (e.g. ve9EPM428h8vShlRW1KT)
- key (string) (required)...
400 Bad Request Standard error response for bad requests (400). Contains message, statusCode fields.
401 Unauthorized Standard error response for unauthorized requests (401). Contains message, statusCode fields.
422 Unprocessable Entity Standard error response for unprocessable entity (422). Contains message, statusCode, errors array fields.

⚠️ Special Notes & Quirks

⚠️ User-Agent Required: All GHL API requests require a User-Agent HTTP header. Requests without it may be rejected with a 403 error.

DELETE /associations/{associationId}

Summary: Delete Association

Delete USER_DEFINED Association By Id, deleting an association will also all the relations for that association

Version Header: 2021-07-28

Operation ID: delete-association

Tags: Associations

cURL

curl -X DELETE 'https://rest.gohighlevel.com/v1/associations/VALUE' \
  -H 'Authorization: Bearer YOUR_API_TOKEN' \
  -H 'Version: 2021-07-28' \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json' \
  -H 'User-Agent: YourApp/1.0'

Python (http.client)

import http.client
import json

conn = http.client.HTTPSConnection('rest.gohighlevel.com')

headers = {
    'Authorization': 'Bearer YOUR_API_TOKEN',
    'Version': '2021-07-28',
    'Content-Type': 'application/json',
    'Accept': 'application/json',
    'User-Agent': 'YourApp/1.0',
}

conn.request('DELETE', '/v1/associations/VALUE', headers=headers)

response = conn.getresponse()
data = json.loads(response.read().decode())
print(json.dumps(data, indent=2))
conn.close()

n8n HTTP Node

{
  "name": "GHL - DELETE VALUE",
  "type": "n8n-nodes-base.httpRequest",
  "parameters": {
    "method": "DELETE",
    "url": "https://rest.gohighlevel.com/v1/associations/VALUE",
    "authentication": "genericCredentialType",
    "genericAuthType": "httpHeaderAuth",
    "sendHeaders": true,
    "headerParameters": {
      "parameters": [
        {
          "name": "Authorization",
          "value": "Bearer YOUR_API_TOKEN"
        },
        {
          "name": "Version",
          "value": "2021-07-28"
        },
        {
          "name": "Content-Type",
          "value": "application/json"
        },
        {
          "name": "Accept",
          "value": "application/json"
        },
        {
          "name": "User-Agent",
          "value": "YourApp/1.0"
        }
      ]
    },
    "sendBody": false,
    "bodyParameters": {
      "parameters": []
    },
    "options": {}
  }
}

To use in n8n:

  1. Add an HTTP Request node
  2. Switch to JSON mode (Parameters → use RAW JSON)
  3. Paste the JSON above
  4. Update YOUR_API_TOKEN with your actual GHL API key

Request Parameters

Name Location Type Required Description
associationId Path string ✅

Response Codes

Code Description Schema
200 Successful response - deleted (boolean) (required) (e.g. True): Deletion status
- id (string) (required) (e.g. 6d6f6e676f5f6576656e7473): Association I...
400 Bad Request Standard error response for bad requests (400). Contains message, statusCode fields.
401 Unauthorized Standard error response for unauthorized requests (401). Contains message, statusCode fields.
422 Unprocessable Entity Standard error response for unprocessable entity (422). Contains message, statusCode, errors array fields.

⚠️ Special Notes & Quirks

⚠️ User-Agent Required: All GHL API requests require a User-Agent HTTP header. Requests without it may be rejected with a 403 error.

GET /associations/{associationId}

Summary: Get association by ID

Using this api you can get SYSTEM_DEFINED / USER_DEFINED association by id

Version Header: 2021-07-28

Operation ID: get-association-by-ID

Tags: Associations

cURL

curl -X GET 'https://rest.gohighlevel.com/v1/associations/VALUE' \
  -H 'Authorization: Bearer YOUR_API_TOKEN' \
  -H 'Version: 2021-07-28' \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json' \
  -H 'User-Agent: YourApp/1.0'

Python (http.client)

import http.client
import json

conn = http.client.HTTPSConnection('rest.gohighlevel.com')

headers = {
    'Authorization': 'Bearer YOUR_API_TOKEN',
    'Version': '2021-07-28',
    'Content-Type': 'application/json',
    'Accept': 'application/json',
    'User-Agent': 'YourApp/1.0',
}

conn.request('GET', '/v1/associations/VALUE', headers=headers)

response = conn.getresponse()
data = json.loads(response.read().decode())
print(json.dumps(data, indent=2))
conn.close()

n8n HTTP Node

{
  "name": "GHL - GET VALUE",
  "type": "n8n-nodes-base.httpRequest",
  "parameters": {
    "method": "GET",
    "url": "https://rest.gohighlevel.com/v1/associations/VALUE",
    "authentication": "genericCredentialType",
    "genericAuthType": "httpHeaderAuth",
    "sendHeaders": true,
    "headerParameters": {
      "parameters": [
        {
          "name": "Authorization",
          "value": "Bearer YOUR_API_TOKEN"
        },
        {
          "name": "Version",
          "value": "2021-07-28"
        },
        {
          "name": "Content-Type",
          "value": "application/json"
        },
        {
          "name": "Accept",
          "value": "application/json"
        },
        {
          "name": "User-Agent",
          "value": "YourApp/1.0"
        }
      ]
    },
    "sendBody": false,
    "bodyParameters": {
      "parameters": []
    },
    "options": {}
  }
}

To use in n8n:

  1. Add an HTTP Request node
  2. Switch to JSON mode (Parameters → use RAW JSON)
  3. Paste the JSON above
  4. Update YOUR_API_TOKEN with your actual GHL API key

Request Parameters

Name Location Type Required Description
associationId Path string ✅

Response Codes

Code Description Schema
200 Successful response - locationId (string) (required) (e.g. string)
- id (string) (required) (e.g. ve9EPM428h8vShlRW1KT)
- key (string) (required)...
400 Bad Request Standard error response for bad requests (400). Contains message, statusCode fields.
401 Unauthorized Standard error response for unauthorized requests (401). Contains message, statusCode fields.
422 Unprocessable Entity Standard error response for unprocessable entity (422). Contains message, statusCode, errors array fields.

⚠️ Special Notes & Quirks

⚠️ User-Agent Required: All GHL API requests require a User-Agent HTTP header. Requests without it may be rejected with a 403 error.

PUT /associations/{associationId}

Summary: Update Association By Id

Update Association , Allows you to update labels of an associations. Documentation Link - https://doc.clickup.com/8631005/d/h/87cpx-293776/cd0f4122abc04d3

Version Header: 2021-07-28

📖 Official Documentation

Operation ID: update-association

Tags: Associations

cURL

curl -X PUT 'https://rest.gohighlevel.com/v1/associations/VALUE' \
  -H 'Authorization: Bearer YOUR_API_TOKEN' \
  -H 'Version: 2021-07-28' \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json' \
  -H 'User-Agent: YourApp/1.0' \
  -d '{}'  # See request body schema below

Python (http.client)

import http.client
import json

conn = http.client.HTTPSConnection('rest.gohighlevel.com')

headers = {
    'Authorization': 'Bearer YOUR_API_TOKEN',
    'Version': '2021-07-28',
    'Content-Type': 'application/json',
    'Accept': 'application/json',
    'User-Agent': 'YourApp/1.0',
}

payload = json.dumps({})
conn.request('PUT', '/v1/associations/VALUE', body=payload, headers=headers)

response = conn.getresponse()
data = json.loads(response.read().decode())
print(json.dumps(data, indent=2))
conn.close()

n8n HTTP Node

{
  "name": "GHL - PUT VALUE",
  "type": "n8n-nodes-base.httpRequest",
  "parameters": {
    "method": "PUT",
    "url": "https://rest.gohighlevel.com/v1/associations/VALUE",
    "authentication": "genericCredentialType",
    "genericAuthType": "httpHeaderAuth",
    "sendHeaders": true,
    "headerParameters": {
      "parameters": [
        {
          "name": "Authorization",
          "value": "Bearer YOUR_API_TOKEN"
        },
        {
          "name": "Version",
          "value": "2021-07-28"
        },
        {
          "name": "Content-Type",
          "value": "application/json"
        },
        {
          "name": "Accept",
          "value": "application/json"
        },
        {
          "name": "User-Agent",
          "value": "YourApp/1.0"
        }
      ]
    },
    "sendBody": true,
    "bodyParameters": {
      "parameters": []
    },
    "options": {}
  }
}

To use in n8n:

  1. Add an HTTP Request node
  2. Switch to JSON mode (Parameters → use RAW JSON)
  3. Paste the JSON above
  4. Update YOUR_API_TOKEN with your actual GHL API key

Request Parameters

Name Location Type Required Description
associationId Path string ✅

Request Body Schema

  • firstObjectLabel (object) (required) (e.g. student)
  • secondObjectLabel (object) (required) (e.g. tutor)

Response Codes

Code Description Schema
200 Successful response - locationId (string) (required) (e.g. string)
- id (string) (required) (e.g. ve9EPM428h8vShlRW1KT)
- key (string) (required)...
400 Bad Request Standard error response for bad requests (400). Contains message, statusCode fields.
401 Unauthorized Standard error response for unauthorized requests (401). Contains message, statusCode fields.
422 Unprocessable Entity Standard error response for unprocessable entity (422). Contains message, statusCode, errors array fields.

⚠️ Special Notes & Quirks

⚠️ User-Agent Required: All GHL API requests require a User-Agent HTTP header. Requests without it may be rejected with a 403 error.

Documentation generated from GHL OpenAPI specifications. Verify against official docs for latest changes.

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