Unione
transactional email 32 tools availableUniOne is an email delivery service offering a versatile Web API and SMTP API for sending transactional and marketing emails.
About this integration
Connect Unione to Definable to automate repetitive tasks, sync data with the rest of your stack, trigger on real-world events. Personas call Unione's 32 tools directly from chat or scheduled flows. You can wire it into any persona to read, write, and react when an event fires.
Connect Unione 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.
Unione · in workflows
What teams actually run.
Three patterns teams run with Unione 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
32 tools available
The Unione toolbox.
Every Unione 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.
Delete Event Dump Tool to delete an event dump file and remove it from the queue or storage. Use when you need to clean up an existing event dump by its dump_id.
Delete Template Tool to delete a template by ID. Use when you need to permanently remove a template from the account.
Delete Webhook Tool to delete a webhook event notification handler by its URL. Use when you need to stop receiving callback notifications for a specific webhook.
UniOne Email Balance Tool to retrieve current account balance. Use when you need to check your email usage and limits before sending large campaigns.
Cancel Scheduled Email Tool to cancel a scheduled transactional email by its job ID. Use when you need to stop a pending email send before it's dispatched.
UniOne Email Domain Management Tool to manage sender domains in UniOne. Use when you need DNS records for verification, trigger verification or DKIM checks, list domains, or delete a domain.
Get Email Event Tool to retrieve details of a specific email event by its ID. Use when you need event information for auditing or diagnostics.
Get Email Send Job Tool to retrieve detailed information about a specific email send job. Use when you need its delivery metrics and history.
UniOne Email List (Export) Tool to export email events within a specified time frame. It creates an asynchronous event dump which can later be downloaded and parsed using UNIONE_EVENT_DUMP_GET.
Resend Sent Email Tool to resend a previously sent email by its job ID. Use when you need to trigger a resend of an email that has already been sent and you have the original job ID.
UniOne Email Resubscribe Tool to resubscribe a recipient who previously unsubscribed. Use when you need to restore a user's subscription status after they opt in again.
Resume Paused Email Tool to resume a paused transactional email by its job ID. Use when you need to restart a paused pending email send.
UniOne Email SMTP Configuration Tool to retrieve SMTP server details and credentials. Use when you need to configure your mail client or library for SMTP sending.
UniOne Email Statistics Tool to retrieve email sending statistics over a specified time range. This action uses UniOne's event-dump aggregate API under the hood to compute daily statistics.
UniOne Email Unsubscribe Tool to unsubscribe an email from future emails. Use when you need to stop all further transactional emails.
Batch Email Validation Tool to validate multiple email addresses in a batch. Use when you need to verify deliverability for a list of emails at once.
Remove Email from Suppression List Tool to remove an email from the suppression list. Use when you need to re-enable sending emails to an address that was previously unsubscribed or suppressed.
Retry Email Validation Tool to retry an email validation request. Updated to re-run validation via the official single validation endpoint using the provided email address.
UniOne Email Webhook Types Tool to retrieve supported email webhook event types. Use when configuring your webhook callbacks.
Create Event Dump Tool to create an asynchronous CSV event dump. Use when you need to export transactional email events for a specified time window.
UniOne Event Dump List Tool to retrieve the full list of event dumps. Use when you need to view all existing event-dump tasks.
Get Event Dump Tool to retrieve the status and download URLs of an event dump. Use when you need to check if a dump is ready and get its files.
Get Email Suppression Details Tool to check if an email is suppressed and retrieve the reason and date. Use when verifying why an email cannot receive messages.
Get Template Tool to get template properties by ID. Use when you need to retrieve the full template configuration and content for a specific template.
Get Webhook Configuration Tool to retrieve webhook configuration by its URL. Use when you need to check the current settings of an event notification handler.
Schedule Email Tool to schedule a transactional email up to 24 hours ahead. Use when you need to send an email at a specific future time.
Suppression List Tool to return the suppression list since a given date. Use when auditing bounced, unsubscribed, or blocked recipients.
Delete Tag Tool to delete a specific tag. Use when you have confirmed the tag ID you wish to remove.
UniOne Tag List Tool to retrieve all user-defined tags. Use when you need to fetch the full list of tags after authentication.
UniOne Template List Tool to list email templates. Use when you need to retrieve available templates for transactional emails.
Set Template Tool to set or update an email template. Use when you need to create or modify transactional email templates before sending messages.
Set Webhook Tool to set or edit a webhook event notification handler. Use when you need to configure your webhook for event callbacks.
See it run
One prompt, start to finish.
A real prompt, the Unione tools it calls, and what comes back. This is the whole interface — describe the outcome, agents handle the rest.
Run a real Unione task end-to-end — plan it, execute across the API, and hand back a verified result.
unione.delete_event_dump Tool to delete an event dump file and remove it from the queue or storage. Use when you ne unione.delete_template Tool to delete a template by ID. Use when you need to permanently remove a template from t unione.delete_webhook Tool to delete a webhook event notification handler by its URL. Use when you need to stop · verified Done. Unione responded across 3 calls, the verifier signed off, and the result is logged with every payload.
FAQ · Unione
Questions, answered.
What teams ask before connecting Unione.
01 What can I automate with Unione on Definable?
Anything Unione exposes through its API. Common transactional email 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 32 Unione tools directly, then chain the result into another integration without you writing code.
02 How does Unione authentication work?
Unione 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 Unione integration included in my Definable plan?
Yes — every Definable plan, including Starter, includes access to all 32 Unione tools. You only need a separate Unione subscription if Unione itself charges per seat or per API call.
04 Is using Unione through Definable secure?
Every call from a persona to Unione 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 Unione on Definable?
Sign up for Definable, open the integrations page, find Unione, and connect via OAuth or API key. You can immediately attach Unione to any persona and start running workflows. The free Starter plan includes 5,000 credits/month.
06 What Unione actions does Definable expose?
Definable exposes all 32 Unione actions as callable tools — including `Delete Event Dump`, `Delete Template`, `Delete Webhook`, plus 29 more. Each tool gets a typed parameter schema so personas know exactly how to call it.
Put Unione to work tonight.
Connect in two clicks, describe an outcome, and your first workflow is live in minutes. Free plan included — no card required.