/v1/brands/{brand_id}/email-sequences/{sequence_id}/variants List a sequence's A/B variants
Every A/B variant of the sequence's email steps, with how each performs. Requires the brand owner on Pro.
Path parameters
-
Sequence id.
-
Brand UUID.
Query parameters
-
Preview the call without executing it. Runs auth, scope, eligibility and body validation, then returns
200with adry_runobject reporting the request-unit and credit cost plus a non-consuming quota snapshot. Nothing is debited, reserved, dispatched or mutated. An invalid body still returns422.default: false
Responses
Example response
{
"data": [
{
"created_at": "2026-09-20T10:00:00+00:00",
"id": "6f708192-a3b4-4c5d-8e6f-7a8b9c0d1e2f",
"is_winner": false,
"object": "email_variant",
"results": {
"bounced": 0,
"open_rate": 60,
"opened": 6,
"replied": 2,
"reply_rate": 20,
"sent": 10
},
"sequence_id": "4d5e6f70-8192-4a3b-9c4d-5e6f7a8b9c0d",
"step_id": "s1",
"subject_override": "Quick question about {{page_title}}",
"template_id": "2b3c4d5e-6f70-4a1b-8c2d-3e4f5a6b7c8d",
"traffic_percentage": 50,
"updated_at": "2026-09-20T10:00:00+00:00",
"variant_name": "B"
}
],
"object": "list"
}-
Show fields
-
Stable machine-readable error code from the catalog.
-
Human-readable description suitable for logging.
- details object
Optional, code-specific context (e.g.
errorsarray forvalidation_error,retry_afterforservice_unavailable). Shape depends onerror.code; treat as opaque otherwise.Show fields
Empty object (no properties).
-
- request_id string
Server-generated correlation id for the request. Mirrors the
X-Correlation-IDresponse header. Include this when contacting support.
Example response
{
"error": {
"code": "validation_error",
"message": "Request validation failed"
},
"request_id": "9f6c4e8a-1d3b-4c8b-9f1e-7a3b1c2d3e4f"
}-
Show fields
-
Stable machine-readable error code from the catalog.
-
Human-readable description suitable for logging.
- details object
Optional, code-specific context (e.g.
errorsarray forvalidation_error,retry_afterforservice_unavailable). Shape depends onerror.code; treat as opaque otherwise.Show fields
Empty object (no properties).
-
- request_id string
Server-generated correlation id for the request. Mirrors the
X-Correlation-IDresponse header. Include this when contacting support.
Example response
{
"error": {
"code": "unauthorized",
"message": "Missing or invalid credentials"
},
"request_id": "9f6c4e8a-1d3b-4c8b-9f1e-7a3b1c2d3e4f"
}-
Show fields
-
Stable machine-readable error code from the catalog.
-
Human-readable description suitable for logging.
- details object
Optional, code-specific context (e.g.
errorsarray forvalidation_error,retry_afterforservice_unavailable). Shape depends onerror.code; treat as opaque otherwise.Show fields
Empty object (no properties).
-
- request_id string
Server-generated correlation id for the request. Mirrors the
X-Correlation-IDresponse header. Include this when contacting support.
Example response
{
"error": {
"code": "forbidden",
"message": "You do not have permission to access this resource"
},
"request_id": "9f6c4e8a-1d3b-4c8b-9f1e-7a3b1c2d3e4f"
}-
Show fields
-
Stable machine-readable error code from the catalog.
-
Human-readable description suitable for logging.
- details object
Optional, code-specific context (e.g.
errorsarray forvalidation_error,retry_afterforservice_unavailable). Shape depends onerror.code; treat as opaque otherwise.Show fields
Empty object (no properties).
-
- request_id string
Server-generated correlation id for the request. Mirrors the
X-Correlation-IDresponse header. Include this when contacting support.
Example response
{
"error": {
"code": "not_found",
"message": "Resource not found"
},
"request_id": "9f6c4e8a-1d3b-4c8b-9f1e-7a3b1c2d3e4f"
}-
Show fields
-
Stable machine-readable error code from the catalog.
-
Human-readable description suitable for logging.
- details object
Optional, code-specific context (e.g.
errorsarray forvalidation_error,retry_afterforservice_unavailable). Shape depends onerror.code; treat as opaque otherwise.Show fields
Empty object (no properties).
-
- request_id string
Server-generated correlation id for the request. Mirrors the
X-Correlation-IDresponse header. Include this when contacting support.
Example response
{
"error": {
"code": "conflict",
"message": "Resource conflict"
},
"request_id": "9f6c4e8a-1d3b-4c8b-9f1e-7a3b1c2d3e4f"
}-
Show fields
-
Stable machine-readable error code from the catalog.
-
Human-readable description suitable for logging.
- details object
Optional, code-specific context (e.g.
errorsarray forvalidation_error,retry_afterforservice_unavailable). Shape depends onerror.code; treat as opaque otherwise.Show fields
Empty object (no properties).
-
- request_id string
Server-generated correlation id for the request. Mirrors the
X-Correlation-IDresponse header. Include this when contacting support.
Example response
{
"error": {
"code": "rate_limit_exceeded",
"message": "Per-minute rate limit exceeded"
},
"request_id": "9f6c4e8a-1d3b-4c8b-9f1e-7a3b1c2d3e4f"
}-
Show fields
-
Stable machine-readable error code from the catalog.
-
Human-readable description suitable for logging.
- details object
Optional, code-specific context (e.g.
errorsarray forvalidation_error,retry_afterforservice_unavailable). Shape depends onerror.code; treat as opaque otherwise.Show fields
Empty object (no properties).
-
- request_id string
Server-generated correlation id for the request. Mirrors the
X-Correlation-IDresponse header. Include this when contacting support.
Example response
{
"error": {
"code": "internal_error",
"message": "An unexpected error occurred"
},
"request_id": "9f6c4e8a-1d3b-4c8b-9f1e-7a3b1c2d3e4f"
}-
Show fields
-
Stable machine-readable error code from the catalog.
-
Human-readable description suitable for logging.
- details object
Optional, code-specific context (e.g.
errorsarray forvalidation_error,retry_afterforservice_unavailable). Shape depends onerror.code; treat as opaque otherwise.Show fields
Empty object (no properties).
-
- request_id string
Server-generated correlation id for the request. Mirrors the
X-Correlation-IDresponse header. Include this when contacting support.
Example response
{
"error": {
"code": "service_unavailable",
"message": "Service temporarily unavailable, please retry"
},
"request_id": "9f6c4e8a-1d3b-4c8b-9f1e-7a3b1c2d3e4f"
}