curl --request POST \
  --url https://app.thinnest.ai/api/v1/contacts \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "phone": "+91 98765 43210",
  "name": "Asha Rao",
  "email": "Asha.Rao@gmail.com",
  "externalId": "LSQ-42",
  "tags": [
    "Hot Lead",
    "Sky Towers"
  ],
  "language": "Hindi",
  "consent": {
    "status": "granted",
    "source": "99acres enquiry form, 17 Sep"
  }
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    phone: '+91 98765 43210',
    name: 'Asha Rao',
    email: 'Asha.Rao@gmail.com',
    externalId: 'LSQ-42',
    tags: ['Hot Lead', 'Sky Towers'],
    language: 'Hindi',
    consent: {status: 'granted', source: '99acres enquiry form, 17 Sep'}
  })
};

fetch('https://app.thinnest.ai/api/v1/contacts', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://app.thinnest.ai/api/v1/contacts"

payload = {
    "phone": "+91 98765 43210",
    "name": "Asha Rao",
    "email": "Asha.Rao@gmail.com",
    "externalId": "LSQ-42",
    "tags": ["Hot Lead", "Sky Towers"],
    "language": "Hindi",
    "consent": {
        "status": "granted",
        "source": "99acres enquiry form, 17 Sep"
    }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

{
  "id": "cust_4e7b1c9d-2a6f-4385-b0d2-9f6a3e8c1b74",
  "phone": "919876543210",
  "name": "Asha Rao",
  "email": "asha.rao@gmail.com",
  "externalId": "LSQ-42",
  "tags": [
    "hot-lead",
    "sky-towers"
  ],
  "language": "Hindi",
  "note": null,
  "consent": {
    "status": "granted",
    "source": "99acres enquiry form, 17 Sep",
    "recordedAt": "2026-10-06T09:40:02.311Z"
  },
  "source": "agent",
  "acquiredFrom": null,
  "createdAt": "2026-08-30T14:12:45.008Z"
}

{
  "id": "cust_4e7b1c9d-2a6f-4385-b0d2-9f6a3e8c1b74",
  "phone": "919876543210",
  "name": "Asha Rao",
  "email": "asha.rao@gmail.com",
  "externalId": "LSQ-42",
  "tags": [
    "hot-lead",
    "sky-towers"
  ],
  "language": "Hindi",
  "note": null,
  "consent": {
    "status": "granted",
    "source": "99acres enquiry form, 17 Sep",
    "recordedAt": "2026-10-06T09:40:02.311Z"
  },
  "source": "api",
  "acquiredFrom": null,
  "createdAt": "2026-10-06T09:40:02.311Z"
}

{
  "error": "`consent.source` is required when recording consent — where did they agree, or refuse?"
}

{
  "error": "Send a valid API key as `Authorization: Bearer <key>`."
}

{
  "error": "This API key is read-only: it can read everything but change nothing."
}

{
  "error": "Another contact already has that `externalId`."
}

{
  "error": "Over 240 requests a minute. Slow down and retry."
}