Working with local business data programmatically has become way more interesting in the last couple of years. If you're a developer who's been asked to "fix the client's Google presence," here's what I've learned about the Google Business Profile API ecosystem.

What the API Actually Gives You

The Google Business Profile API (formerly GMB API) lets you manage locations, business hours, posts, and reviews programmatically. The authentication flow is OAuth 2.0, and you'll need a Google Cloud project with the right scopes enabled.

The most common mistake I see: developers assume the API is read-only. It's not. You can create posts, update business information, and manage review responses directly from your code.

Rate Limits and Practical Realities

Google applies per-project rate limits, and they're stricter than most developers expect. If you're building tools for multiple business locations, you'll want to implement exponential backoff from day one.…