Post what you make with the Gemini API CLI

1. 01

   Step 1 Install Google's gemini-api CLI and sign in, following its own guide. Google marks it experimental, so check its guide if a flag has changed.

2. 02

   Step 2 Sign in to the Post Array CLI. This opens your browser.

   postarray auth login

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1. 01

   Step 1 Make the image and save it to a file. Look at it before you go on. Nothing has been posted.

   gemini-api image "A calm flat lay of a coffee cup and a notebook, soft morning light" --out ./launch.png

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2. 02

   Step 2 Upload the file to Post Array and keep the media id it gives back. New files are checked for safety first, which takes a moment.

   postarray media upload ./launch.png --project-id <project-id> --idempotency-key launch-image-1 --json

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3. 03

   Step 3 Write the post in a file: the media id, your accounts, and when it goes out, with your time zone. The AI label is on, because the image was made with AI.

   {
     "version": 1,
     "projectId": "<project-id>",
     "body": "Our new notebook is here. Made for slow mornings.",
     "mediaIds": ["<media-id>"],
     "targets": [{ "connectionId": "<connection-id>" }],
     "schedule": { "instant": "2026-11-02T09:00:00.000Z", "ianaTimeZone": "Europe/London" },
     "disclosure": { "aiAssisted": true, "commercialContent": false, "brandedContent": false }
   }

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4. 04

   Step 4 Check it, then schedule it. Pace warnings never block, but read them first.

   postarray posts validate launch.json
   postarray posts schedule launch.json --idempotency-key launch-post-1

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5. 05

   Step 5 See how it went. Once it is live, each account shows a View post link.

   postarray posts list --status published

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Some platforms ask you to label images and video made with AI. Turn on the AI label in Post Array when you post them, and platforms that ask for one will show it.