Mailtrap

49 tools available

Email Delivery Platform for testing and sending transactional emails

Connect Mailtrap to Definable to triage issues, review pull requests, monitor builds. Personas call Mailtrap's 49 tools directly from chat or scheduled flows. Wire it into a triage, review, or release-management persona — every action runs scoped, reviewable, and logged.

Common workflows with Mailtrap

Triage incoming issues

Webhook fires on every new issue
Persona summarises and labels it
Assigns the right engineer

Auto-review PRs

Pull the diff
Run a code-review persona
Post structured feedback as PR comment

Failing-build alerts

CI sends a failure event
Agent inspects logs and stack trace
Drops a debug summary in Slack

Release notes from commits

Read commits since last tag
Group by type with the model
Post to a changelog channel

Mailtrap actions 49

Every Mailtrap action below is a callable tool any Definable persona can invoke.

Clean Inbox

Tool to clean an inbox in Mailtrap by deleting all messages. Use when you need to remove all emails from an inbox while keeping the inbox itself.

Create Contact

Tool to create a new contact in Mailtrap. Use when you need to add a contact with an email address to a Mailtrap account. Optionally include custom fields and assign to contact lists.

Create Contact Event

Tool to create a contact event in Mailtrap. Use when you need to track custom events associated with a contact for segmentation or automation triggers.

Create Contact Export

Tool to create a contact export job for a Mailtrap account. Use when you need to export contacts with filters. The export is processed asynchronously - the response includes a job ID and status. Check the status field; when it becomes 'finished', the url field will contain the download link for the exported contacts file. Filters are required - you must specify at least one filter such as subscription_status (subscribed/unsubscribed) or list_id (array of list IDs).

Create Contact Field

Tool to create a custom contact field in Mailtrap. Use when you need to add new contact attributes for personalization and segmentation in email campaigns.

Create Contact List

Tool to create a new contact list in Mailtrap. Use when you need to organize contacts into groups or segments. Each contact list has a unique ID and name that can be used to add contacts to it later.

Create Email Template

Tool to create a new email template in Mailtrap account. Use when you need to create a reusable email template with HTML/text content, subject, and category. The template can be used for sending promotional, transactional, or newsletter emails.

Create Sending Domain

Tool to create a new sending domain in Mailtrap. Use when you need to register a domain for sending transactional emails. After creation, DNS records must be configured before the domain can be used for sending.

Delete Contact

Tool to delete a contact from a Mailtrap account. Use when you need to permanently remove a contact by their UUID or email address. The deletion is permanent and cannot be undone.

Delete Contact Field

Tool to delete a contact field by its ID. Use when you need to remove a custom contact field from an account.

Delete Contact List

Tool to delete a contact list by its ID. Use when you need to remove a contact list from an account.

Delete Email Template

Tool to delete an email template from a Mailtrap account. Use when you need to remove an existing email template.

Delete Project

Tool to delete a project from Mailtrap. Use when you need to permanently remove a project and its associated resources. Returns the ID of the deleted project.

Delete Sending Domain

Tool to delete a sending domain from a Mailtrap account. Use when you need to remove a domain permanently.

Get Billing Usage

Tool to retrieve current billing cycle usage for an account. Use when you need to check billing information, usage limits, or consumption for Email Sandbox and Email Sending services.

Get Contact

Tool to retrieve a contact by UUID or email address from Mailtrap. Use when you need to fetch details of a specific contact including their subscription status, lists, and custom fields.

Get Contact Export

Tool to retrieve the status of a contact export. Use when you need to check the progress of an export or download the exported contacts file.

Get Contact Field

Tool to retrieve contact field details by field ID. Use when you need to get information about a specific custom field in your contacts.

Get Contact Import Status

Tool to retrieve the status of a contact import operation. Use when you need to check the progress or completion status of a contact import. Use after initiating a contact import to monitor its status and retrieve statistics once finished.

Get Contact List

Tool to retrieve a specific contact list by its ID. Use when you need to fetch details about a contact list in a Mailtrap account.

Get Email Template

Tool to retrieve details of a specific email template by ID. Use when you need to fetch template content, metadata, or configuration for an existing email template.

Get Inbox Attributes

Tool to retrieve inbox attributes from Mailtrap. Use when you need to get details about a specific inbox including its configuration, statistics, and permissions.

Get Message HTML Body

Tool to retrieve the HTML body of a message from Mailtrap. Use when you need to get the formatted HTML content of a specific email message.

Get Permission Resources

Tool to retrieve all resources in account for permission management. Use when you need to see the hierarchical structure of projects, inboxes, and other resources with their access levels for the current authentication token.

Get Project by ID

Tool to retrieve project details from Mailtrap by project ID. Use when you need to get information about a specific project including its inboxes, permissions, and share links.

Get Sending Domain

Tool to retrieve sending domain details from Mailtrap. Use when you need to check domain configuration, DNS verification status, or tracking settings.

Get Sending Stats

Tool to retrieve email sending statistics from Mailtrap for a specific account. Use when you need metrics like delivery rate, bounce rate, open rate, click rate, and spam rate for a date range.

Get Sending Stats by Categories

Tool to retrieve email sending statistics grouped by categories. Use when you need to analyze email performance metrics (delivery, bounce, open, click, spam rates) segmented by email categories within a date range.

Get Sending Stats by Date

Tool to retrieve email sending statistics aggregated by date. Use when you need to analyze email delivery performance, bounce rates, open rates, click rates, and spam rates for a specific date range.

Get Sending Stats by Domains

Tool to retrieve sending statistics grouped by domains for a Mailtrap account. Use when you need email delivery, bounce, open, click, and spam metrics broken down by sending domain for a specific date range. Supports filtering by domain IDs, sending streams, categories, and email service providers.

Get Sending Stats by ESP

Tool to retrieve email sending statistics grouped by email service providers (ESPs) for a specified date range. Returns delivery, bounce, open, click, and spam metrics for each ESP. Use when you need to analyze email performance across different email providers like Google, Yahoo, Microsoft, etc.

Import Contacts

Tool to import contacts in bulk to Mailtrap. Use when you need to add or update multiple contacts at once. The import operation is asynchronous and returns a job ID that can be used to check the status later.

List Accounts

Tool to list all Mailtrap accounts you have access to. Use when you need to retrieve account information or get account IDs for other operations. Returns account ID, name, and access levels (1000=owner, 100=admin, 10=viewer).

List Contact Fields

Tool to get all contact fields for a Mailtrap account. Use when you need to retrieve custom field definitions for contacts.

List Contact Lists

Tool to retrieve all contact lists for a Mailtrap account. Use when you need to view available contact lists or obtain contact list IDs for other operations.

List Email Templates

Tool to retrieve all email templates for a Mailtrap account. Use when you need to list available templates, browse template configurations, or find a specific template by name or attributes.

List Inboxes

Tool to get a list of inboxes for a Mailtrap account. Use when you need to retrieve all inboxes associated with an account ID. Returns the list of inboxes with their configuration, permissions, and statistics.

List Messages in Inbox

Tool to get messages from a Mailtrap inbox. Use when you need to retrieve emails from a specific inbox, with support for search filtering and pagination. Returns up to 30 messages per request.

List Projects

Tool to get a list of projects for a Mailtrap account. Use when you need to retrieve all projects and their associated inboxes for a specific account. Returns project attributes, permissions, and nested inbox information.

List Sending Domains

Tool to list all sending domains for a Mailtrap account. Use when you need to retrieve configured domains for email sending.

List Email Suppressions

Tool to list suppressed email addresses for a Mailtrap account. Use when you need to view which emails are blocked from receiving messages due to bounces, complaints, unsubscribes, or manual suppression.

Mark Inbox as Read

Tool to mark all messages in a Mailtrap inbox as read. Use when you need to mark all unread messages as read in a specific inbox.

Reset Inbox Credentials

Tool to reset SMTP credentials for a Mailtrap inbox. Use when you need to regenerate the username and password for inbox access.

Update contact

Tool to update an existing contact in Mailtrap. Use when you need to modify contact details such as email, custom fields, list memberships, or subscription status. If the contact doesn't exist, it will be created.

Update Contact Field

Tool to update a contact field in Mailtrap. Use when you need to modify the name or merge tag of an existing contact field.

Update Contact List

Tool to update a contact list's name in Mailtrap. Use when you need to rename an existing contact list.

Update Email Template

Tool to update an existing email template in Mailtrap account. Use when you need to modify template properties such as name, subject, category, HTML body, or plain text body. All fields in the email_template object are optional - only provide the fields you want to update.

Update inbox

Tool to update an inbox's settings in Mailtrap. Use when you need to change the inbox name or email username.

Update project

Tool to update a project's name in Mailtrap. Use when you need to rename an existing project.

Frequently asked questions

What can I automate with Mailtrap on Definable?

Anything Mailtrap exposes through its API. Common developer tools workflows on Definable include triage issues, review pull requests, monitor builds. Personas can call any of the 49 Mailtrap tools directly, then chain the result into another integration without you writing code.

How does Mailtrap authentication work?

Mailtrap uses API_KEY, API_KEY on Definable. You connect once from the integrations page, scoped to the permissions you choose, and from then on any persona that has the integration enabled can act on your behalf. Tokens are encrypted at rest and rotated automatically.

Is the Mailtrap integration included in my Definable plan?

Yes — every Definable plan, including Starter, includes access to all 49 Mailtrap tools. You only need a separate Mailtrap subscription if Mailtrap itself charges per seat or per API call.

Is using Mailtrap through Definable secure?

Every call from a persona to Mailtrap is logged with the user, persona, prompt, and response. Tokens never leave Definable's secrets vault, scopes are configurable per persona, and you can revoke access at any time from the integration page.

How do I get started with Mailtrap on Definable?

Sign up for Definable, open the integrations page, find Mailtrap, and connect via OAuth or API key. You can immediately attach Mailtrap to any persona and start running workflows. The free Starter plan includes 5,000 credits/month.

What Mailtrap actions does Definable expose?

Definable exposes all 49 Mailtrap actions as callable tools — including `Clean Inbox`, `Create Contact`, `Create Contact Event`, plus 46 more. Each tool gets a typed parameter schema so personas know exactly how to call it.

Ready to automate with Mailtrap?

Wire it up in minutes. No coding required.

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