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Create contacts

Request, response and authentication details for your Mailat instance.

← All API operations
POST/api/v1/contacts

CreateContact creates a new contact POST /api/v1/contacts

Authentication & compatibility

Use a scoped bearer API key with contacts:manage. The key is bound to its user and organization.

Mailat application, account or shared resource API. Individual operations can require configured external services; this label is not a runtime-readiness guarantee.

Contract 2026-10-04. Your running instance's /api/v1/openapi.json is authoritative for its deployed release.

Request

Set MAILAT_BASE_URL to your instance origin (without /api/v1) and MAILAT_TOKEN to an appropriate credential. Replace path placeholders and example data before running. These examples do not execute in this page.

cURL request
curl --request POST "$MAILAT_BASE_URL/api/v1/contacts" \
  --header "Authorization: Bearer $MAILAT_TOKEN" \
  --header 'Content-Type: application/json' \
  --data @request.json

Build the request from the schema below; request.json and upload paths are local placeholders.

Request body (required)

application/json

bodyobjectrequired
Fields · model.CreateContactRequest
attributesobject
Additional valuesany value
consentSourcestring
emailstring (email)required
firstNamestring
lastNamestring
listIdsarray
Each iteminteger (int64)
skipConfirmationboolean

For double opt-in

Responses

HTTP statuses and body shapes below come from the pinned contract. Not every shared error applies to every request. Retain the original idempotency key when retrying a send.

200 · Success
Header: X-RateLimit-Remaininginteger

Remaining requests in this API key's current minute window (present for API-key authentication).

minimum: 0

application/json

responseobject
Fields
codeintegerrequired
dataall of · nullable
Variant 1object
Fields · model.Contact
attributesobject
Additional valuesany value
consentIpstring
consentSourcestring
consentTimestampall of · nullable
Variant 1string (date-time)
createdAtstring (date-time)
emailstring
engagementScorenumber
firstNamestring
idinteger (int64)
lastEngagedAtall of · nullable
Variant 1string (date-time)
lastNamestring
listsarray
Each itemobject
Fields · model.ListMembership
joinedAtstring (date-time)
listIdinteger (int64)
listNamestring
orgIdinteger (int64)
statusstring

active, unsubscribed, bounced, complained

updatedAtstring (date-time)
uuidstring
messagestringrequired
400 · Invalid input

application/json

responseobject
Fields
codeintegerrequired
messagestringrequired
401 · Missing, expired or revoked authentication

application/json

responseobject
Fields
codeintegerrequired
messagestringrequired
403 · Insufficient permission

application/json

responseobject
Fields
codeintegerrequired
messagestringrequired
404 · Resource not found

application/json

responseobject
Fields
codeintegerrequired
messagestringrequired
409 · Conflict or changed idempotency payload

application/json

responseobject
Fields
codeintegerrequired
messagestringrequired
410 · Recovery cursor expired; resynchronize

application/json

responseobject
Fields
codeintegerrequired
messagestringrequired
429 · Rate limit exceeded; respect Retry-After
Header: Retry-Afterinteger

Seconds until the next fixed-minute request window.

minimum: 1

application/json

responseobject
Fields
codeintegerrequired
messagestringrequired
500 · Internal failure; retain the idempotency key

application/json

responseobject
Fields
codeintegerrequired
messagestringrequired
Download the full OpenAPI contract