Postiz

social media marketing 9 tools available

Postiz is an agentic social media scheduling tool. It offers everything you need to manage your social media posts, build an audience, capture leads, and grow your business faster with AI.

Connect Postiz Visit Postiz

About this integration

Connect Postiz to Definable to automate repetitive tasks, sync data with the rest of your stack, trigger on real-world events. Personas call Postiz's 9 tools directly from chat or scheduled flows. You can wire it into any persona to read, write, and react when an event fires.

Connect Postiz 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.

Auth OAuth2 · 2 clicks

Tools 9 exposed

Plans All, incl. Free

Data Never trained on

Postiz · in workflows

What teams actually run.

Three patterns teams run with Postiz on day one. Each one is a plain-English prompt — no canvas, no glue code — and you can remix them into anything.

Trigger on event

│ Listen for a new event

│ Parse and validate the payload

└ Take an action with the linked tool

Daily summary

│ Pull yesterday's activity

│ Summarise with the model of your choice

└ Send the digest via email or Slack

Cross-tool sync

│ Read records from one app

│ Transform with a persona

└ Write the result back via this integration

9 tools available

The Postiz toolbox.

Every Postiz 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.

Ask postiz

Ask agent 'postiz' a question. Agent description: Agent that helps manage and schedule social media posts for users

Generateimagetool

Generate image to use in a post, in case the user specified a platform that requires attachment and attachment was not provided, ask if they want to generate a picture of a video.

Generatevideooptions

All the options to generate videos, some tools might require another call to generateVideoFunction

Generatevideotool

Generate video to use in a post, in case the user specified a platform that requires attachment and attachment was not provided, ask if they want to generate a picture of a video. In many cases 'videoFunctionTool' will need to be called first, to get things like voice id Here are the type of video that can be generated: -Image Text Slides -Veo3 (Audio + Video)

Integrationlist

This tool list available integrations to schedule posts to

Integrationscheduleposttool

This tool allows you to schedule a post to a social media platform, based on integrationSchema tool. So for example: If the user want to post a post to LinkedIn with one comment - socialPost array length will be one - postsAndComments array length will be two (one for the post, one for the comment) If the user want to post 20 posts for facebook each in individual days without comments - socialPost array length will be 20 - postsAndComments array length will be one If the tools return errors, you would need to rerun it with the right parameters, don't ask again, just run it

Integrationschema

Everytime we want to schedule a social media post, we need to understand the schema of the integration. This tool helps us get the schema of the integration. Sometimes we might get a schema back the requires some id, for that, you can get information from 'tools' And use the triggerTool function.

Triggertool

After using the integrationSchema, we sometimes miss details we can't ask from the user, like ids. Sometimes this tool requires to user prompt for some settings, like a word to search for. methodName is required [input:callable-tools]

Videofunctiontool

Sometimes when we want to generate videos we might need to get some additional information like voice_id, etc

See it run

One prompt, start to finish.

A real prompt, the Postiz tools it calls, and what comes back. This is the whole interface — describe the outcome, agents handle the rest.

❯

Run a real Postiz task end-to-end — plan it, execute across the API, and hand back a verified result.

postiz_mcp.ask_postiz Ask agent 'postiz' a question. Agent description: Agent that helps manage and schedule soc

postiz_mcp.generateimagetool Generate image to use in a post, in case the user specified a platform that requires attac

postiz_mcp.generatevideooptions All the options to generate videos, some tools might require another call to generateVideo · verified

done

Done. Postiz responded across 3 calls, the verifier signed off, and the result is logged with every payload.

FAQ · Postiz

Questions, answered.

What teams ask before connecting Postiz.

01 What can I automate with Postiz on Definable?

Anything Postiz exposes through its API. Common social media marketing 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 9 Postiz tools directly, then chain the result into another integration without you writing code.

02 How does Postiz authentication work?

Postiz 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 Postiz integration included in my Definable plan?

Yes — every Definable plan, including Starter, includes access to all 9 Postiz tools. You only need a separate Postiz subscription if Postiz itself charges per seat or per API call.

04 Is using Postiz through Definable secure?

Every call from a persona to Postiz 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 Postiz on Definable?

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

06 What Postiz actions does Definable expose?

Definable exposes all 9 Postiz actions as callable tools — including `Ask postiz`, `Generateimagetool`, `Generatevideooptions`, plus 6 more. Each tool gets a typed parameter schema so personas know exactly how to call it.