Get WhatsApp chat ID from phone number

post https://waapi.app/api/v1/instances/{id}/client/action/get-number-id

Converts a phone number into the proper WhatsApp chat ID format. This is especially useful for countries that don't follow the standard chat ID format (like Brazil, Mexico and Argentina). The endpoint ensures you get the correct chat ID for any phone number.

Response

Language

Credentials

Bearer

JWT


xxxxxxxxxx
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curl --request POST \
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     --url https://waapi.app/api/v1/instances/id/client/action/get-number-id \
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     --header 'accept: application/json' \
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     --header 'content-type: application/json'


xxxxxxxxxx
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1
{
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  "data": {
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    "status": "success",
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    "instanceId": "1",
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    "data": {
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      "numberId": {
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        "server": "c.us",
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        "user": "15553334444",
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        "_serialized": "15553334444@c.us"
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      }
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    }
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  },
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  "links": {
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    "self": "https://waapi.app/api/v1/instances/1/client/action/get-number-id"
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  },
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  "status": "success"
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}

200Successfully retrieved WhatsApp chat ID