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once.to Zapier integrationAutomate once.to with Zapier.

once.to Zapier integration: 2 triggers, 2 actions, 0 searches. Zapier checks your once.to short links and domains on a timer set by your plan, and it can create a short link or update a domain for you. Simple to set up, with one loop to avoid.

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Overview

What the once.to Zapier integration actually does

once.to is a link shortener with click tracking, targeting and stats. On Zapier it works both ways: two triggers watch the list of your short links and the list of your domains, and two actions create a short link for a full address or change a domain's settings. Everything runs through the once.to account you connect.

Three results people build. A shared register of every short link: Get Links List feeds a spreadsheet or a database, so marketing and sales can find the right link without logging into once.to. Short links made for you: Create Short Link turns the full address of a new blog post, a product page or a campaign landing page into a short one, then the next step posts it where your team needs it. A tidy setup across several branded domains: Update Domain can switch which domain is the default one.

What Zapier does not do for once.to matters just as much. Both triggers are polling triggers, so nothing arrives the instant a link is created; Zapier looks on a schedule set by your plan. There is no search: a Zap cannot look up an existing link or its click stats. And Update Domain cannot rename a domain, because its name must stay the one it already has.

If you are comparing tools for this kind of link workflow, Make vs Zapier and n8n vs Zapier are worth a look.

Vocabulary

Zapier vocabulary in one minute

Eight words come back on every Zapier screen. Here they are in plain English, once, before the rest of the page uses them.

Zap
The automation you build: one trigger, then one or more actions that run each time the trigger event happens.
Trigger
The event in an app that starts the Zap. Once the Zap is on, Zapier waits for that event and nothing else.
Action
What the Zap does after it starts: the step that writes, sends or creates something for you in an app.
Task
The unit Zapier bills. One task equals one action your Zap completes successfully; your plan counts those.
Polling trigger
A trigger Zapier checks on a timer: it asks the app for its latest items and keeps only the ones it has not seen.
Instant trigger
A trigger the app reports itself, the moment the event happens. once.to has none: both its triggers are polling.
Filter
A step that lets the Zap continue only when the incoming item meets a condition you set, and stops it otherwise.
Multi-step Zap
Any Zap beyond one trigger and one action. A second action or a filter makes it one, and it then needs a paid plan.
Cost

What it really costs you

Short version: watching once.to is free, each action that succeeds costs one task, and your plan decides how fresh the triggers are.

  • once.to trigger check0 tasks
  • Each successful action1 task
  • Free plan100 tasks a month, 2 steps per Zap
  • Premium appNo, works on the free plan

A trigger never costs a task, and neither does Zapier checking once.to for new links, however often it looks. Each action that succeeds counts once: a Zap that logs a new link and then posts it in chat uses two tasks per link, and an action that fails is not counted. The free plan gives 100 tasks a month and unlimited Zaps, but only two steps per Zap, one trigger and one action; a filter or a second action needs a paid plan. once.to is not a premium app. Both triggers follow the polling grid below: on the free plan, a new link can wait up to 15 minutes before the Zap sees it.

Connect

Connect your once.to account in 3 steps

  1. 01

    Open the Apps page

    In your Zapier account, go to Apps and click + Add connection. You need a once.to account first, plus access to any links or domains you do not own and want a Zap to touch.

  2. 02

    Find once.to

    Type once.to in the search box of the dialog, pick it from the list, then click Add connection. Zapier stores this connection and reuses it in every Zap that reads or writes once.to.

  3. 03

    Sign in and grant access

    A tab opens on once.to. Sign in with the account that owns your short links and domains, then grant Zapier access. The connection then appears on the Apps page, ready for a first Zap.

First Zap

Your first once.to Zap, step by step

GoalEach new short link is added to a shared register, then the marketing channel hears about it.

  1. 01

    Build: start from once.to

    Create a Zap, pick once.to as the app that starts it, then Get Links List as the event. Select the once.to connection you added earlier.

  2. 02

    Test the trigger

    Run the trigger test. Zapier brings back the three most recent short links of the connected account, so you map the next steps on a real link.

  3. 03

    Log the link

    Add a Google Sheets action and map the details of the link from the trigger into the columns of your register. Test the step and read what came back.

  4. 04

    Share it with the team

    Add a Slack action that posts the link in the marketing channel. This second action makes the Zap multi-step, which needs a paid plan. Test it once.

  5. 05

    Publish

    Publish the Zap to switch it on. Zapier then checks for new links on your plan's interval, and each new link uses two tasks.

Triggers

The 2 once.to triggers

2 events start a Zap when something happens in once.to. Zapier checks for them at the interval your plan allows.

1

Get Domains List

Polling trigger

In Zapier“Return a list of Domains, ordered by name”

Watches the list of domains in your once.to account, sorted by name. Because Zapier remembers which domains it has already seen, a domain only starts the Zap once, which in practice means a domain added after the Zap is switched on.

How it fires
Zapier goes and looks at regular intervals, and how often depends on your plan: every 15 minutes on the free one.
When to use it
tell the person who manages your DNS or your brand guide that a new short domain exists, so it gets set up and documented.
Watch out
domains that already existed when you published are not sent through.
Actions

The 2 once.to actions

once.to gives you 2 actions. For each one: what it does for you, when to reach for it, and what to watch out for.

1

Update Domain

Action

In Zapier“Updates a domain with the given ID”

Changes the settings of one of your once.to domains, chiefly whether it is the default domain for new links.

When to use it
a campaign or a brand switch means another domain should become the default.
Watch out
ID and Name are required, the name must stay the current one, and setting Default removes that status from whichever domain had it.
2

Create Short Link

Action

In Zapier“Creates a Short Link for the given URL”

Turns a full web address into a once.to short link, ready to paste into a post, an email or an ad.

When to use it
a new article is published or a product page goes live, and its short link should exist without anyone opening once.to.
Watch out
the Target URL is required and must be a complete address, not a fragment.
When it breaks

When a once.to Zap breaks

Zapier attaches no help article and no specific limit to once.to. What goes wrong comes from the two actions' required fields and from the way every Zap works.

Four cases cover most once.to Zaps that misbehave. If yours matches none of them, the Zapier troubleshooting page is the next stop.

  • The Zap creates links in a loop

    A Zap that watches Get Links List and runs Create Short Link writes into the very list it watches. Each new link restarts it, and the task count drains fast.
  • Update Domain refuses the change

    The Name field must match the domain's current name; the action cannot rename a domain. The ID is required too, so an earlier step has to supply it.
  • Old links never show up

    A Zap only reacts to what appears after it is switched on. Links and domains created before are not sent through; copying that backlog is a separate job.
  • A big batch is held back

    When a trigger suddenly returns a huge batch, after a bulk import of links or a migration, Zapier's flood protection can hold those runs back.
Need help

Need help automating once.to with Zapier?

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FAQ

once.to Zapier integration: common questions

01Is the once.to Zapier integration free?
Yes, on the Zapier side. once.to is not a premium app, so it works on the free plan, which gives 100 tasks a month and unlimited Zaps. The catch is the shape of the Zap: the free plan only builds two-step Zaps, one trigger and one action. Logging a new link in a sheet fits; logging it and posting it in chat needs a paid plan. Whatever your once.to subscription costs is a separate matter.
02How many tasks does a once.to Zap use?
The trigger uses none, however often Zapier checks once.to for new links or domains. Each action that succeeds counts one task, and one that fails is not counted. A Zap that creates a short link for every new blog post uses one task per post. A Zap that watches new links, adds a row and posts a message uses two tasks per link. The loop between Get Links List and Create Short Link is the fastest way to burn through a plan.
03Does once.to trigger Zapier in real time?
No. Both once.to triggers are polling triggers: Zapier asks once.to for its latest links or domains on a timer, and that timer depends on your plan. It is 15 minutes on Free, 2 minutes on Professional and 1 minute on Team and Enterprise. On paid plans you can also run a check by hand from the editor. A new link can therefore wait up to one full interval before your Zap runs.
04What does it take to connect once.to to Zapier?
A once.to account, plus access to any links or domains you do not own and want to touch. In Zapier, open the Apps page, click + Add connection, search for once.to, click Add connection, then sign in to once.to in the tab that opens and grant access. Before editing domains, note that Update Domain needs the domain's ID and its current name, so the account must be the one holding that domain.
05Can Zapier rename a once.to domain?
No. Update Domain asks for the domain's name, but that name must be the same one the domain already has, so the action cannot change it. What it can change is whether the domain is the default one. Be careful with that setting: marking a domain as default removes the default status from any other domain that had it, which changes where new links land if your team relies on the default.
06What if the once.to operation you want is not in Zapier?
Then this integration cannot do it. Zapier offers two triggers, Get Domains List and Get Links List, and two actions, Create Short Link and Update Domain, with no search. Click stats, targeting and editing an existing link are not among them. A filter after a trigger can narrow which links go through, but it makes the Zap multi-step. For anything else, the request belongs with once.to, describing the step you are missing.
07Zapier, Make or n8n for once.to?
Decide on criteria rather than a ranking. On Zapier, once.to brings two polling triggers and two actions, works on the free plan and bills one task per successful action, with trigger delays set by your plan. For another tool, check whether it offers once.to at all, whether it can reach the click stats Zapier does not expose, how it bills a run, and how often it checks for new links on the plan you would use.