Properties
| Name | Type | Description |
|---|---|---|
| contacts | array |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://artifacts.apis.io/eusend-dev/json-schema/eusend-dev-batch-contacts-request-schema.json",
"title": "BatchContactsRequest",
"x-generated": "2026-10-30",
"x-method": "derived",
"x-generator": "derive-json-schema.py",
"x-source": "openapi/eusend-dev-openapi.json#/components/schemas/BatchContactsRequest",
"type": "object",
"required": [
"contacts"
],
"additionalProperties": false,
"properties": {
"contacts": {
"type": "array",
"minItems": 1,
"maxItems": 1000,
"items": {
"type": "object",
"required": [
"email"
],
"additionalProperties": false,
"properties": {
"email": {
"type": "string",
"format": "email"
},
"first_name": {
"type": "string",
"maxLength": 100
},
"last_name": {
"type": "string",
"maxLength": 100
},
"unsubscribed": {
"type": "boolean",
"description": "Carries an opt-out over from another provider. An import can only ever add an opt-out — `false` will not resubscribe someone."
},
"created_at": {
"type": "string",
"format": "date-time",
"description": "Original signup time. Applied on insert only."
},
"properties": {
"type": "object",
"description": "Custom properties, usable as `{{key}}` in a broadcast body. Unlike the single-contact endpoint, an import MERGES these into whatever the contact already has, so a CSV carrying only `plan` will not drop a `company` an earlier import set.",
"additionalProperties": {
"type": "string",
"maxLength": 500
}
}
}
}
}
}
}
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