Zernio
Zernio
API Reference

Accounts

List accountsGETCheck account healthGETList posts published on the platformGETCheck accounts healthGETGet Bluesky account settingsGETGet follower statsGETCheck whether an Instagram user follows the accountGETGet Slack account settingsGETGet TikTok creator infoGETUpdate accountPUTUpdate Bluesky account settingsPATCHUpdate Slack account settingsPATCHDisconnect accountDELETEMove account to another profilePATCH
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Accounts

Get follower stats

Returns follower count history and growth metrics for connected accounts. Requires analytics add-on subscription. Follower counts are refreshed once per day.

GET
/v1/accounts/follower-stats

Authorization

bearerAuth
AuthorizationBearer <token>

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

In: header

Query Parameters

accountIds?string

Comma-separated list of account IDs (optional, defaults to all user's accounts)

profileId?string

Filter by profile ID

fromDate?string

Start date in YYYY-MM-DD format (defaults to 30 days ago)

Formatdate
toDate?string

End date in YYYY-MM-DD format (defaults to today)

Formatdate
granularity?string

Data aggregation level

Default"daily"

Value in

  • "daily"
  • "weekly"
  • "monthly"

Response Body

application/json

application/json

application/json

{  "accounts": [    {      "_id": "64e1...",      "platform": "twitter",      "username": "@acme",      "currentFollowers": 1250,      "growth": 50,      "growthPercentage": 4.17,      "dataPoints": 30    }  ],  "stats": {    "64e1...": [      {        "date": "2024-01-01",        "followers": 1200      },      {        "date": "2024-01-02",        "followers": 1250      }    ]  },  "dateRange": {    "from": "2024-01-01T00:00:00.000Z",    "to": "2024-01-31T23:59:59.999Z"  },  "granularity": "daily"}
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Get Bluesky account settings

Returns the account's default post languages (defaultLangs), applied at publish time whenever a post's platformSpecificData.langs is absent. Null when no default is set.

Check whether an Instagram user follows the account

Resolves the follow relationship between an Instagram user and the connected account, plus their public profile counters. `userId` is the Instagram-scoped id (IGSID) Meta gives you on a webhook: `sender.id` on `message.received`, `comment.author.id` on `comment.received`. **Meta only answers for people who have MESSAGED the account.** Commenting grants no consent, so a commenter who has never DMed you is unresolvable - that is a platform rule, not a limitation of this endpoint. When it cannot be resolved the response is still `200` with `isFollower: null` and an `unavailableReason`, because "unknown" is a normal state to branch on: * `consent_required` - the user has never messaged this account. * `dm_access_disabled` - the account owner turned off Instagram Direct API access. * `not_messageable` - the id is not a messaging-scoped id. * `error` - a transient Graph API failure. To gate a comment automation on this, use the automation's `audience` rules instead of calling this per comment - they run the same lookup only on comments that actually match a keyword, and can ask the commenter to confirm with one tap. Answers are cached briefly per (account, user). Pass `refresh=true` right after asking someone to follow, so a follow from a moment ago is visible.