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Connectors / Marketing · HTTP Connector
Automate Unisender with Tray.ai
Create a list, import contacts and create an email message in Unisender, and start a workflow when Unisender sends “Email status changed”.
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What can you do with Unisender on Tray.ai?
Unisender is an email and SMS marketing service for building contact lists, sending campaigns and transactional messages, and tracking delivery statistics. Tray.ai connects to Unisender through the HTTP Connector, so your workflows can call the Unisender API alongside the rest of your stack.
- Connects through
- HTTP Connector
- Authentication
- An API key in the query string
- Base URL
- https://api.unisender.com/{lang}/api
What the Unisender API covers
6 resources and 25 documented actions, each one a call the HTTP Connector can make from a Tray.ai workflow.
Lists
- List contact lists
- Create a list
- Update a list
- Delete a list
Contacts
- Subscribe a contact
- Unsubscribe a contact
- Import contacts
- Export contacts
- Get a contact
Messages
- Create an email message
- Create an SMS message
- Send an email
- Send an SMS
Campaigns
- Create a campaign
- Cancel a campaign
- Get campaign status
- List campaigns
Templates
- Create an email template
- Update an email template
- Delete a template
- List templates
Fields and tags
- List fields
- Create a field
- Delete a field
- List tags
Events Unisender can send to a Tray.ai webhook trigger
- Email status changed
- Contact subscribed
- Contact unsubscribed
- Campaign status changed
- User data changed
- Account status changed
Checked against Unisender's own documentation on 2026-10-22
How Tray.ai makes this work
Unisender plugs into the whole Tray.ai platform
Intelligent Integration
Integrate and automate across 700+ connectors with visual workflows, error handling, and observability.
Learn more →Agent Builder
Build AI agents that read, write, and take action in Unisender — with guardrails, audit, and human-in-the-loop.
Learn more →Agent Gateway for MCP
Expose Unisender actions as governed MCP tools — observable, rate-limited, authenticated.
Learn more →More marketing apps on Tray.ai
Dedicated connectors and other apps Tray.ai reaches in the same category. See every marketing connector →
Frequently asked questions
What can a Tray.ai workflow do in Unisender?
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The Unisender API documents 25 actions across 6 resources (Lists, Contacts, Messages, Campaigns, Templates, Fields and tags). For example: List contact lists; Subscribe a contact; Create an email message. A workflow can make any documented call through the HTTP Connector.
How does Tray.ai authenticate with Unisender?
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The Unisender API uses an API key in the query string. You save it once as a Tray.ai authentication, and the HTTP Connector adds it to every request.
Which Unisender events can start a Tray.ai workflow?
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Unisender sends 6 events to a webhook URL, for example: Email status changed; Contact subscribed; Contact unsubscribed; Campaign status changed; User data changed; Account status changed. A Tray.ai webhook trigger receives them and starts a workflow.
See Unisender working against your stack.
We'll walk through a tailored demo with your systems plugged in.
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