Mailsoftly
email newsletters 20 tools availableMailsoftly is an intuitive email marketing platform designed to simplify and enhance how businesses communicate with their audiences. Built with user-friendly features and advanced automation tools, Mailsoftly helps organizations to create, schedule, and manage email campaigns easily.
About this integration
Connect Mailsoftly to Definable to automate repetitive tasks, sync data with the rest of your stack, trigger on real-world events. Personas call Mailsoftly's 20 tools directly from chat or scheduled flows. You can wire it into any persona to read, write, and react when an event fires.
Connect Mailsoftly to Definable and it becomes a set of typed tools your agents plan with — triggered by events, run on schedules, or invoked mid-conversation. Every write is checked by the verifier before it lands.
Mailsoftly · in workflows
What teams actually run.
Three patterns teams run with Mailsoftly on day one. Each one is a plain-English prompt — no canvas, no glue code — and you can remix them into anything.
Daily summary
Cross-tool sync
20 tools available
The Mailsoftly toolbox.
Every Mailsoftly capability your agents can call, each with a typed schema the planner reads. The router picks the right tool per step; the verifier checks the result.
Add Contact to Contact List Tool to add an existing contact to a specific contact list. Use when you need to add a contact to a contact list in Mailsoftly.
Add Custom Field to Contact Tool to add a custom field value to an existing contact. Use when you need to store additional custom data on a contact record.
Assign Tags to Contact Tool to assign multiple tags to an existing contact at once. Skips tags if they are already assigned to the contact. Use when you need to categorize or label a contact with one or more tags in Mailsoftly.
Authenticate Firm Tool to validate the API key and retrieve firm details. Use when confirming credentials before making other Mailsoftly API calls.
Create Contact Tool to create a new contact for the authenticated firm with email, first name, and last name. Use when adding new contacts to the firm's contact list.
Create Contact List Tool to create a new contact list for the authenticated firm. Use when organizing contacts into separate lists for targeted campaigns.
Create Email Drafts Tool to create one or more email drafts in Mailsoftly. Use when drafting emails for campaigns or communications. If contact_list_id is not provided, the system automatically creates a contact list from the provided recipients.
Create or Update Contact Tool to create a new contact or update an existing contact in Mailsoftly. Use when you need to add a new contact to the system or update an existing contact's information. If contact_id is provided, the existing contact will be updated; otherwise, a new contact will be created.
Get Contact Tool to retrieve a specific contact by ID from Mailsoftly. Use when you need to fetch details about a specific contact. You can choose between basic or detailed view using the type parameter.
Get Contact Fields Tool to fetch all contact fields available for a firm, excluding hidden columns. Use when you need to retrieve the list of available contact field names and their data types.
Get Contact List Tool to retrieve details of a specific contact list by ID. Use when you need to fetch information about a contact list including its name and contact count.
Get Contact List Contacts Tool to retrieve all contacts within a specific contact list. Use when you need to fetch the members of a particular contact list.
Get Contact Lists Tool to retrieve all contact lists for the authenticated firm. Use when you need to view all available contact lists and their details.
Get Contacts Tool to retrieve all contacts associated with a firm. Use when you need to fetch the complete list of contacts from Mailsoftly.
Get Custom Fields Tool to retrieve all custom fields defined for the authenticated firm. Use when you need to understand what custom field options are available for contacts in Mailsoftly.
Get Email Status Tool to fetch the status of a specific email draft by its ID. Use when checking if a draft is ready to send or to get its current status.
Get Tags Tool to retrieve all tags associated with the authenticated firm. Use when you need to list available tags for organizing contacts or campaigns.
Search Contacts Tool to search for contacts matching specified criteria in Mailsoftly. Use when you need to find contacts by email, first name, or last name. At least one search parameter should be provided for meaningful results.
Send Email Tool to send an existing email draft that is marked as ready. Use when you need to send a prepared email draft via Mailsoftly.
Update Contact Tool to update an existing contact's information in Mailsoftly. Use when you need to modify contact details such as name or email address.
See it run
One prompt, start to finish.
A real prompt, the Mailsoftly tools it calls, and what comes back. This is the whole interface — describe the outcome, agents handle the rest.
Run a real Mailsoftly task end-to-end — plan it, execute across the API, and hand back a verified result.
mailsoftly.add_contact_to_contact_list Tool to add an existing contact to a specific contact list. Use when you need to add a con mailsoftly.add_custom_field_to_contact Tool to add a custom field value to an existing contact. Use when you need to store additi mailsoftly.assign_tags_to_contact Tool to assign multiple tags to an existing contact at once. Skips tags if they are alread · verified Done. Mailsoftly responded across 3 calls, the verifier signed off, and the result is logged with every payload.
FAQ · Mailsoftly
Questions, answered.
What teams ask before connecting Mailsoftly.
01 What can I automate with Mailsoftly on Definable?
Anything Mailsoftly exposes through its API. Common email newsletters workflows on Definable include automate repetitive tasks, sync data with the rest of your stack, trigger on real-world events. Personas can call any of the 20 Mailsoftly tools directly, then chain the result into another integration without you writing code.
02 How does Mailsoftly authentication work?
Mailsoftly uses 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.
03 Is the Mailsoftly integration included in my Definable plan?
Yes — every Definable plan, including Starter, includes access to all 20 Mailsoftly tools. You only need a separate Mailsoftly subscription if Mailsoftly itself charges per seat or per API call.
04 Is using Mailsoftly through Definable secure?
Every call from a persona to Mailsoftly 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.
05 How do I get started with Mailsoftly on Definable?
Sign up for Definable, open the integrations page, find Mailsoftly, and connect via OAuth or API key. You can immediately attach Mailsoftly to any persona and start running workflows. The free Starter plan includes 5,000 credits/month.
06 What Mailsoftly actions does Definable expose?
Definable exposes all 20 Mailsoftly actions as callable tools — including `Add Contact to Contact List`, `Add Custom Field to Contact`, `Assign Tags to Contact`, plus 17 more. Each tool gets a typed parameter schema so personas know exactly how to call it.
Put Mailsoftly to work tonight.
Connect in two clicks, describe an outcome, and your first workflow is live in minutes. Free plan included — no card required.