Zernio
Zernio
API Reference

WhatsApp

Templates

List templatesGETCreate templatePOSTGet templateGETUpdate templatePATCHDelete templateDELETEGet template by idGETUpdate template by idPATCHDelete template by idDELETELook up a library templateGET

Business Profile

Get business profileGETUpdate business profilePOSTUpload profile picturePOSTGet display name statusGETRequest display name changePOSTGet business usernameGETGet username suggestionsGETSet business usernamePOSTDelete business usernameDELETE

Groups

List active groupsGETCreate groupPOSTGet group infoGETUpdate group settingsPOSTDelete groupDELETEAdd participantsPOSTRemove participantsDELETECreate invite linkPOSTList join requestsGETApprove join requestsPOSTReject join requestsDELETE

Blocking

Check if a user is blockedGETList blocked usersGETBlock usersPOSTUnblock usersDELETE

Media

Download WhatsApp mediaGET

Commerce

List the catalogs linked to a WhatsApp numberGETLink a catalog to a WhatsApp numberPOSTUnlink a catalog from a WhatsApp numberDELETEGet a number's commerce settingsGETUpdate a number's commerce settingsPUT

Conversions

Get CTWA conversions datasetGETProvision CTWA datasetPOSTList conversion eventsGETSend WhatsApp conversion eventPOST

Account Events

List account notificationsGET

Phone Numbers

Get number statusGETRegister a connected WhatsApp number on the Cloud APIPOSTMove a number to another profilePATCHRequest a Meta re-verification code for a BYO WhatsApp numberPOSTVerify the Meta re-verification code for a BYO WhatsApp numberPOST

Calling

Get calling config for an accountGETEnable calling on a numberPOSTUpdate calling configPATCHDisable calling on a numberDELETECheck call permissionGETList call history for an accountGETInitiate outbound callPOSTGet a single callGETEstimate per-minute costGETGet calling config for a numberGETGet a call recordingGETStart caller-ID verification for a customer-brought numberPOSTConfirm the caller-ID verification codePOST

Flows

List flowsGETCreate flowPOSTGet flowGETUpdate flowPATCHDelete flowDELETEGet flow JSON assetGETUpload flow JSONPUTGet flow preview URLGETList flow versionsGETPublish flowPOSTDeprecate flowPOSTSend flow messagePOSTList flow responsesGETGet Flows encryption key statusGETRegister a Flows encryption keyPOST

Sandbox

List your sandbox sessionsGETStart a sandbox activationPOSTRevoke a sandbox sessionDELETE

Other

Get pricing analyticsGET
Dashboard
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WhatsApp

Remove participants

Remove participants from a WhatsApp group.

Not available on Coexistence numbers. Requires a Cloud API-only number.

DELETE
/v1/whatsapp/wa-groups/{groupId}/participants

Authorization

bearerAuth
AuthorizationBearer <token>

API key authentication: send your Zernio API key in the Authorization header, prefixed with Bearer.

In: header

Path Parameters

groupId*string

Group ID

Query Parameters

accountId*string

WhatsApp account ID

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

Response Body

application/json

application/json

application/json

import Zernio from '@zernio/node';const zernio = new Zernio({ apiKey: process.env.ZERNIO_API_KEY });const { data } = await zernio.whatsapp.removeWhatsAppGroupParticipants({  path: {    groupId: 'group_abc123',  },  query: {    accountId: 'account_abc123',  },  body: {    phoneNumbers: [      'string',    ],  },});console.log(data);
{  "success": true,  "message": "string"}
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Add participants

Add participants to a WhatsApp group. Maximum 8 participants per request. A group holds at most 8 participants in total (a Meta limit), so later requests cannot grow a group past 8. Meta documents groups as invite-only, so people normally join through the group's invite link. Not available on [Coexistence](/platforms/whatsapp/connection#whatsapp-business-app-coexistence) numbers. Requires a Cloud API-only number.

Create invite link

Create a new invite link for a WhatsApp group. The previous link is revoked. Not available on [Coexistence](/platforms/whatsapp/connection#whatsapp-business-app-coexistence) numbers. Requires a Cloud API-only number.

phoneNumbers*array<string>

Phone numbers to remove