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

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 a number's commerce settingsGETLink a catalog to a WhatsApp numberPOSTList the catalogs linked to a WhatsApp numberGETUnlink a catalog from a WhatsApp numberDELETEUpdate a number's commerce settingsPUT
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OverviewPlatformsAPI ReferenceResources
WhatsApp

List templates

List message templates for the WhatsApp Business Account (WABA) associated with the given account. Templates are fetched directly from the WhatsApp Cloud API. One entry per name + language: a multi-language template appears once per language, each with its own Meta id.

GET
/v1/whatsapp/templates

Authorization

bearerAuth
AuthorizationBearer <token>

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

In: header

Query Parameters

accountId*string

WhatsApp account ID

name?string

Exact template name; returns every language variant of that family.

language?string

Exact language code (e.g. en_US).

status?string

Value in

  • "APPROVED"
  • "REJECTED"
  • "PENDING"
  • "PAUSED"
  • "DISABLED"
  • "IN_APPEAL"
  • "PENDING_DELETION"

Response Body

application/json

application/json

{  "success": true,  "templates": [    {      "id": "string",      "name": "string",      "status": "APPROVED",      "category": "AUTHENTICATION",      "language": "string",      "message_send_ttl_seconds": 0,      "components": [        {}      ]    }  ]}
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Get Instagram story insights

Returns metrics for a single story. The `source` field discriminates between three states: - `live`: fetched from Meta in real time (story is still active) - `cached`: fetched from a persisted `story_insights` webhook payload (story has expired but we received its final-state metrics from Meta) - `unavailable`: story has expired and we never received its webhook payload (for example, the account connected after the story expired) Meta can report an expired story as an empty successful result rather than an error, so an expired story resolves to `cached` or `unavailable` even though the upstream request itself succeeded. Field semantics follow Meta's API. Counts below 5 may be returned as 0 due to Meta's privacy floor on small audiences. The `navigation` field is the sum of `tapsForward + tapsBack + exits + swipesForward`.

Create template

Create a new message template. Supports two modes: Custom template: Provide components with your own content. Submitted to Meta for review (can take up to 24h). Library template: Provide library_template_name instead of components to use a pre-built template from Meta's template library. Library templates are pre-approved (no review wait). You can optionally customize parameters and buttons via library_template_body_inputs and library_template_button_inputs. Browse available library templates at: https://business.facebook.com/wa/manage/message-templates/