developer tools

Add Postal Data API to your AI agent

Postal Data API validates and looks up postal codes, locations, coordinates, and regional metadata across more than 240 countries and territories.

Things your agent can do in Postal Data API
6

Things your AI can do in Postal Data API

Your FormWise AI can handle any of these in Postal Data API — on its own, without you needing to click a button.

  • Get API Information

    Return Postal Data API version, coverage, usage guidance, current balance, and configured rate-limit status when returned, for connectivity or service discovery. The provider does not document this endpoint as unbilled, so assume it may consume one query.

  • Get Postal Code Metadata

    Return all available country-specific metadata for a postal code, such as coordinates, timezone, county, elevation, and administrative levels. The metadata fields vary by country and availability. Each successful call consumes one Postal Data API query.

  • Look Up Postal Code

    Look up the city, region, and coordinates for a postal code. Use this for a concise location result; use Get Postal Code Metadata for country-specific administrative details. Each successful call consumes one query.

  • Search Postal Codes by City

    Return all postal codes matching a city and optional region, including fuzzy-match details. For US searches, provide a state name or state code. Each successful call consumes one Postal Data API query.

  • Validate Postal Code

    Check whether one postal code exists without treating a nonexistent code as an execution error. Inspect valid in the response. Each successful call consumes one Postal Data API query.

  • Validate Postal Codes in Bulk

    Validate 1 to 1,000 postal codes synchronously, including mixed-country batches. Results preserve input order and report per-record failures. A batch of N records consumes N queries and is rejected atomically if balance or rate-limit budget is insufficient.

Built for the way you actually work

No code, no engineers

Connect in a few clicks and start using your AI right away. If you can use the apps you already love, you can do this.

Sounds like you, not like a bot

Train your AI on your offer, your voice, and the way you actually talk to clients — it picks up where you leave off.

Plugs into the stack you already use

No need to rip out your CRM, your scheduler, or your email tool. Your AI works inside the apps running your business today.

Your data stays yours

Client conversations, lists, and credentials are scoped to your workspace. Nothing gets shared, sold, or used to train anyone else’s AI.

What you can do once Postal Data API is connected

Onboard new clients without lifting a finger

When someone signs up, your AI greets them, sets up their next step in Postal Data API, and keeps the momentum going — even at 2am.

Reply to leads in seconds, not days

Your AI watches Postal Data API for new inquiries, answers questions in your voice, and books the call before they cool off.

Get your weekends back

Hand off the repetitive Postal Data API work — follow-ups, reminders, updates, simple admin — and stop being the bottleneck in your own business.

How to connect Postal Data API to your agent

  1. 1

    Start using FormWise for free

    Sign up in under a minute.

  2. 2

    Find Postal Data API in your connected apps

    Inside FormWise, go to Settings → Connected Services and look for Postal Data API.

  3. 3

    Hit "Connect"

    Click "Connect Postal Data API" and log in like you normally would. We only ask for the permissions your AI actually needs.

  4. 4

    Tell your AI what to do in Postal Data API

    Build a quick AI Agent (it's like writing instructions, not code), and pick the Postal Data API actions you want your AI to handle.

  5. 5

    Watch it run

    Send it a real-world task and watch your AI take care of Postal Data API for you. Tweak the wording until it feels just right.

Powered by the AI you already trust

Your Postal Data API workflow runs on the same world-class AI used by ChatGPT, Claude, and Gemini. We handle the technical part — you just tell your AI what to do, in plain English.

  • OpenAI
  • Anthropic Claude
  • Google Gemini

Questions other Postal Data API users had before signing up

Do I need to know how to code?

Not even a little. If you can use Postal Data API today, you can set this up. You'll connect Postal Data API, tell your AI what it should help with, and you're live. The whole thing is built for coaches, course creators, agencies, and operators — not engineers.

Will my clients know they're talking to an AI?

Only if you want them to. Your FormWise AI is trained on your voice, your offer, and the way you actually communicate — so it sounds like a thoughtful team member, not a clunky chatbot. Most people can't tell.

Can I make it sound like me?

Yes. You can give your AI examples of how you write, the questions you usually ask new clients, the way you handle objections, and the language you use about your offer. The more you give it, the more it sounds like you wrote it.

What if I want to take over a conversation?

You're always in control. You can step in at any point, take over from your AI, or stop it from sending messages until you've reviewed them. Think of it as a teammate, not a replacement.

Is my client data safe?

Yes. Your Postal Data API login and client information stay scoped to your workspace. We don't sell it, we don't share it, and we don't use your data to train anyone else's AI. You can disconnect Postal Data API or delete everything any time.

What happens when Postal Data API updates their app?

We handle it. When Postal Data API adds new features or changes how something works, we update the integration in the background. You don't have to do anything — your AI just keeps working.

How fast can I actually get this running?

Most people are up and running the same day they sign up. Connecting Postal Data API takes a few minutes. Teaching your AI to handle the work the way you'd want it done is the part worth slowing down for.

What is FormWise?

FormWise is the AI agent builder for coaches, course creators, and agencies. You connect the apps you already use — like Postal Data API — train your AI on your offer and voice, and let it handle the work you've been doing manually: onboarding, follow-ups, support, admin. No code, no developers, no engineering team required.

Can I sell AI agents to my clients?

Yes. A lot of FormWise users build AI assistants and sell them as part of their offer — done-for-you AI setups, white-label assistants for client businesses, custom GPTs trained on a client's brand. You can charge a setup fee, a monthly retainer, or both.

Can I embed my AI on my website or in my course?

Yes. Every AI you build in FormWise can be embedded on your site, dropped into your course platform, or shared as a standalone link. Your clients and students just open it like any other web page — no app to download, no login hoops.

Do I need to know anything about AI to use this?

No. If you can describe what you want your AI to do in plain English — "greet new clients, ask these 3 questions, book them a call" — FormWise can build it. We handle the models, the prompts, the connections. You handle the part you already know: what your business actually needs.

About Postal Data API on FormWise

Postal Data API validates and looks up postal codes, locations, coordinates, and regional metadata across more than 240 countries and territories.

Connect Postal Data API once and your FormWise AI gets 6 things it can do inside it. That means your AI can handle the Postal Data API work in your business — the messages, the updates, the follow-ups, the admin — the way you would, just faster and around the clock.

You don't need to know how any of it works under the hood. We take care of keeping the connection alive, retrying if something fails, and making sure your data only ever moves where you tell it to.

New to Postal Data API? Take a look at postaldatapi.com.

Stop doing the Postal Data API work yourself

Hand it off to an AI assistant that sounds like you, works around the clock, and never forgets a follow-up. Free to start.