---
title: "Enroll a contact in a sequence"
method: POST
path: "/automation/sequences/2026-03/enrollments"
tags: ["Basic"]
---

# Enroll a contact in a sequence

`POST /automation/sequences/2026-03/enrollments`

Enroll a contact into a sequence using the specified user ID and sequence details.

## Query parameters

- `userId` string, required

## Request body

- AutomationSequencesPublicSequenceEnrollmentRequest
  - `contactId` string, required — The unique identifier of the contact to be enrolled in the sequence.
  - `senderAliasAddress` string — The alias email address used by the sender when enrolling the contact.
  - `senderEmail` string, required — The email address of the sender enrolling the contact in the sequence.
  - `sequenceId` string, required — The unique identifier of the sequence in which the contact will be enrolled.

## Response `200`

successful operation

- AutomationSequencesPublicSequenceEnrollmentLiteResponse
  - `enrolledAt` string, date-time, required — The date and time when the contact was enrolled in the sequence.
  - `id` string, required — The unique identifier for the sequence enrollment.
  - `toEmail` string, required — The email address of the contact enrolled in the sequence.
  - `updatedAt` string, date-time, required — The date and time when the sequence enrollment was last updated.

## Other responses

- `default` — An error occurred.

---

[API](https://skmtc.net/hubspot/apis/hubspot-api-specification.md) · [All operations](https://skmtc.net/hubspot/apis/hubspot-api-specification/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/hubspot/hubspot-api-specification/versions/f9c7181056c5/schema)