Post to Google Business Profile with the 1Post API

Connect Google Business Profile first

1. 01

   Open Accounts in 1Post and choose Connect.

2. 02

   Pick Google.

3. 03

   Sign in with Google and approve access for the business profile you want to post to.

4. 04

   Choose the business profile in 1Post. It is ready to pick in the composer.

Then GET /v1/accounts returns the id of the Google Business Profile business profile to use in the request.

Google Business Profile posts go into one of the account's locations; GET /v1/accounts/{id}/targets lists them.

Send a post to Google Business Profile

curl https://api.get1post.com/v1/posts \
  -H "Authorization: Bearer $ONEPOST_API_KEY" \
  -H "Idempotency-Key: gbp-first-post" \
  -d '{"accounts":["ACCOUNT_ID"],"text":"New opening hours for the holiday week.","schedule_at":"2026-11-02T15:00:00Z"}'

The reply is 202 with the post (status scheduled) and one destination for Google Business Profile, which moves from queued to published or failed.

What you can send to Google Business Profile

• Update
• Event
• Offer
• One photo
• Call-to-action button

What Google Business Profile publishes

• A post button can be Book, Order, Shop, Learn more, Sign up or Call. A Call button takes no web address.

Google Business Profile rules the request is checked against

The same table with sources is on the Google Business Profile specs page.

Check the post before it is queued

Add "dry_run": true to test a post: nothing is kept, a valid one answers 200 and a broken one answers 422 naming the rule.

{
  "error": {
    "code": "invalid_for_platform",
    "message": "gbp refuses this post: Google Business Profile counts 1,532 of 1,500 characters in part 1. (text_too_long).",
    "fix": "Fix the rule named in the message and send the post again.",
    "retryable": false,
    "request_id": "REQUEST_ID"
  }
}

An assistant connected to the MCP server sends the same fields to create_post; set one up.