WhatsApp Checker API: Phone Number Verification

Check whether a phone number is registered on WhatsApp. Results are returned from the cache for fast response.

Code example:

curl -X POST 'https://api.ekycpro.ai/v1/check' \
-H 'X-API-Key: YOUR_API_KEY' \
-H 'Content-Type: application/json' \
-d '{"service_type": "ws", "identifier": "+1234567890"}'

Success response:

{
  "success": true,
  "data": {
    "id": "chk_a1b2c3d4e5f6",
    "identifier": "+1234567890",
    "registered": true,
    "billed": true
  }
}

Error response:

{
  "success": false,
  "error": "identifier not found in cache"
}

HTTP Request

POST https://api.ekycpro.ai/v1/check

Request Headers

Header	Description
X-API-Key	Your API key (required)
Content-Type	application/json

Request Body

Field	Type	Required	Description
service_type	string	Yes	ws
identifier	string	Yes	Phone number in E.164 format

Response Fields

Field	Type	Description
success	bool	Whether the request succeeded
data.identifier	string	The checked identifier
data.registered	bool	Whether account is registered
data.id	string	Unique check request ID
data.billed	bool	Whether this request was billed

Status Codes

Status	Description
200	Check completed
400	Bad request
401	Unauthorized
500	Server error