Zernio
Zernio
API Reference

Contacts

List contactsGETCreate contactPOSTList channels for a contactGETGet contactGETUpdate contactPATCHDelete contactDELETEBulk create contactsPOST
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Contacts

Delete contact

Permanently deletes a contact and all associated channels.

DELETE
/v1/contacts/{contactId}

Authorization

bearerAuth
AuthorizationBearer <token>

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

In: header

Path Parameters

contactId*string

Response Body

application/json

application/json

Empty
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Update contact

Update one or more fields on a contact. Only provided fields are changed.

Bulk create contacts

Import up to 1000 contacts at a time. Skips duplicates, merging any new tags onto the existing contact. accountId is required whenever contacts carry a platformIdentifier (or a row-level accountId); platform is always derived from the resolved account, never used to decide whether channels are created, and a mismatched platform 404s as account not found. When accountId is set, each contact must carry a platformIdentifier; a row missing it is rejected individually (reported in errors[], HTTP 200), not a 400 for the whole import. On phone platforms (whatsapp, sms) the platformIdentifier is normalized to digits and a value that is not phone-shaped is rejected per contact and reported in errors[], not imported.