developer tools

Add Postgrid to your AI agent

PostGrid provides APIs for automating direct mail and address verification services, enabling businesses to send letters, postcards, and checks, as well as verify and standardize addresses in real-time.

Things your agent can do in Postgrid
60

Things your AI can do in Postgrid

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

  • Cancel Cheque with Note

    Popular

    Tool to cancel a cheque order with a cancellation note. Use when you need to cancel a cheque and provide a reason for the cancellation.

  • Cancel Postcard

    Popular

    Tool to cancel a postcard order. Use when you need to cancel a postcard that has status 'ready'.

  • CREATE_BANK_ACCOUNT

    Popular

    Tool to create a new bank account for print & mail service.

  • Create Box

    Popular

    Tool to create a box mailing order for letters with plastic cards or cheques. Use when you need to send multiple cheques in a secure box.

  • Create Cheque

    Popular

    Tool to create a cheque order for physical cheque mailing. Use when you need to send a payment via printed cheque. Requires a valid bank account ID and recipient contact details.

  • Create Contact

    Popular

    Tool to create a new contact in PostGrid. Use after collecting contact's name, address, and optional metadata.

  • Create Letter

    Popular

    Tool to create and send a letter via PostGrid. Use when recipient, sender, and content details are ready.

  • Create Postcard

    Popular

    Tool to create and send a postcard via PostGrid. Use when recipient, sender, and content (HTML, template, or PDF) are ready.

  • Create Return Envelope Order

    Popular

    Tool to create a batch order of return envelopes to be printed and delivered. Use when you need to order return envelopes in bulk (minimum 5000 units).

  • Create Template

    Popular

    Tool to create a new mail template in PostGrid. Use when you need to define reusable HTML content with dynamic placeholders. Use after confirming required template details.

  • Create Tracker

    Popular

    Tool to create a tracker for monitoring mail delivery status via URL tracking. Use when you need to track recipient engagement with personalized URLs.

  • Create Webhook

    Popular

    Tool to create a new webhook to receive order event notifications. Use after configuring your endpoint to handle webhook payloads.

Show 48 more things it can do
  • Get Bank Account

    Popular

    Tool to retrieve a bank account. Use after obtaining the bank account ID to fetch its details.

  • Get Box

    Popular

    Tool to retrieve a specific box order by ID. Use after obtaining the box ID to fetch its details.

  • Get Cheque

    Popular

    Tool to retrieve a specific cheque by ID. Use when you need to fetch details of a specific cheque order.

  • Get Contact

    Popular

    Tool to retrieve a contact. Use after obtaining the contact ID to fetch its details.

  • Get Letter

    Popular

    Tool to retrieve a letter. Use after you have the letter ID to fetch its details.

  • Get Postcard

    Popular

    Tool to retrieve a specific postcard by ID. Use when you have a postcard ID and need to fetch its details.

  • Get Return Envelope

    Popular

    Tool to retrieve a return envelope. Use after obtaining the return envelope ID to fetch its details.

  • Get Template

    Popular

    Tool to retrieve a template. Use when you have the template ID and need its details.

  • Get Tracker

    Popular

    Tool to retrieve a tracker. Use when you have the tracker ID and need its details.

  • Get Webhook

    Popular

    Tool to retrieve details of a specific webhook by its ID. Use after creating a webhook to fetch its configuration and status.

  • List Bank Accounts

    Popular

    Tool to list bank accounts. Use when retrieving bank accounts with optional status filter and pagination.

  • List Cheques

    Popular

    Tool to list cheques with optional filters and pagination. Use when you need to retrieve batches of cheque records for processing or reporting.

  • List Contacts

    Popular

    Tool to list contacts. Use when you need to retrieve a paginated list of contacts with optional filters like date range, metadata, name, or email.

  • List Letters

    Popular

    Tool to list letters. Use when retrieving letters with optional filters and pagination.

  • List Postcards

    Popular

    Tool to retrieve a list of postcards with optional filtering and pagination. Use when you need to browse or filter postcards list.

  • List Sub-Organizations

    Popular

    Tool to list sub-organizations. Use when you need to retrieve a paginated list of sub-organizations with optional search filter.

  • List Templates

    Popular

    Tool to list templates. Use when you need to retrieve a paginated list of templates with optional type filtering.

  • List Trackers

    Popular

    Tool to list all trackers. Use when you need to retrieve a paginated list of trackers for tracking mail interactions.

  • List Webhook Invocations

    Popular

    Tool to list previous invocations of a webhook with response status codes. Use when you need to view the history of webhook delivery attempts and their outcomes.

  • List Webhooks

    Popular

    Tool to retrieve a list of configured webhooks with optional filtering and pagination. Use when you need to view your webhooks.

  • Update Template

    Popular

    Tool to update an existing mail template in PostGrid. Use when you need to modify the HTML content, description, or metadata of a template.

  • Update Webhook

    Popular

    Tool to update an existing webhook configuration. Use when you need to modify webhook URL, events, or other settings.

  • Cancel Box

    Tool to cancel a box order by its ID. Use when you need to cancel a pending box shipment.

  • Cancel Cheque

    Tool to cancel a cheque order by its ID. Only works when the cheque has 'ready' status. Use when you need to cancel a pending cheque before it is mailed.

  • Cancel Postcard With Note

    Tool to cancel a postcard order with an optional cancellation note. Use when you need to cancel a postcard that is in 'ready' status. Once cancelled, the status changes to 'cancelled' and the response includes cancellation details.

  • Cancel Return Envelope Order

    Tool to cancel a return envelope order. Use when you need to cancel a pending return envelope order using the return envelope ID and order ID.

  • Create Return Envelope

    Tool to create a return envelope for mail recipients to respond. Use when you need to include a prepaid return envelope for recipients to send back responses.

  • Create Template Editor Session

    Tool to create a template editor session for interactive template editing. Use when you need to generate an embeddable URL for editing a template. The session URL allows users to modify template HTML content in a visual editor.

  • Delete Bank Account

    Tool to delete a bank account by its ID. Use when you need to remove a bank account after confirming its identifier.

  • Delete Contact

    Tool to delete a contact by its ID. Use when you need to remove obsolete contacts after confirming their identifier.

  • Delete Template

    Tool to delete a template by its ID. Use when you need to remove an existing template after confirming its identifier.

  • Delete Template Editor Session

    Tool to delete a template editor session by its ID. Use when you need to remove an existing template editor session.

  • Delete Tracker

    Tool to delete a tracker by its ID. Use when you need to remove an existing tracker after confirming its identifier.

  • Delete Webhook

    Tool to delete a webhook subscription. Use when you need to remove an existing webhook by its ID.

  • Fill Test Return Envelope Order

    Tool to fill a test return envelope order for testing purposes. This simulates filling a return envelope order in test mode, changing the status from 'placed' to 'filled'. Only works in test mode.

  • Get Return Envelope Order

    Tool to retrieve a specific return envelope order. Use when you need to get details about an order by its return envelope ID and order ID.

  • List Box Orders

    Tool to list box orders. Use when you need to retrieve a paginated list of box orders from PostGrid.

  • List Webhook Events

    Tool to retrieve a list of webhook events with optional pagination. Use when you need to view all webhook events that have occurred.

  • List Postal Statements

    Tool to list all postal statements for billing and tracking purposes. Use when you need to retrieve statements for accounting or audit purposes.

  • List Return Envelope Orders

    Tool to list all return envelope orders for a specific return envelope. Use when retrieving orders associated with a return envelope ID.

  • List Return Envelopes

    Tool to list return envelopes. Use when you need to retrieve a paginated list of business reply envelopes (BREs) with optional pagination.

  • List Self-Mailers

    Tool to list self-mailers. Use when you need to fetch self-mailers with filters and pagination.

  • List Template Editor Sessions

    Tool to list template editor sessions. Use when you need to retrieve a paginated list of template editor sessions.

  • List Tracker Visits

    Tool to list all visits for a tracker. Use when you need to retrieve visit information including device, IP address, and referred tracker/order ID for each visit.

  • Progress Test Box

    Tool to progress a test box through processing stages for webhook testing. Use when testing webhook integration by advancing box status.

  • Progress Test Cheque

    Tool to progress a test cheque through processing stages for webhook testing. Use when you need to simulate cheque status changes (ready -> printing -> processed_for_delivery -> completed) to test webhook integrations.

  • Progress Test Postcard

    Tool to progress a test postcard through processing stages for webhook testing. Use when testing webhook integration by advancing postcard status.

  • Update Tracker

    Tool to update an existing tracker's redirect URL template and/or expiration settings. Use when you need to modify tracker configuration after obtaining its identifier.

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 Postgrid is connected

Onboard new clients without lifting a finger

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

Reply to leads in seconds, not days

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

Get your weekends back

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

How to connect Postgrid to your agent

  1. 1

    Start using FormWise for free

    Sign up in under a minute.

  2. 2

    Find Postgrid in your connected apps

    Inside FormWise, go to Settings → Connected Services and look for Postgrid.

  3. 3

    Hit "Connect"

    Click "Connect Postgrid" 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 Postgrid

    Build a quick AI Agent (it's like writing instructions, not code), and pick the Postgrid 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 Postgrid for you. Tweak the wording until it feels just right.

Powered by the AI you already trust

Your Postgrid 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 Postgrid users had before signing up

Do I need to know how to code?

Not even a little. If you can use Postgrid today, you can set this up. You'll connect Postgrid, 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 Postgrid 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 Postgrid or delete everything any time.

What happens when Postgrid updates their app?

We handle it. When Postgrid 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 Postgrid 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 Postgrid — 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 Postgrid on FormWise

PostGrid provides APIs for automating direct mail and address verification services, enabling businesses to send letters, postcards, and checks, as well as verify and standardize addresses in real-time.

Connect Postgrid once and your FormWise AI gets 60 things it can do inside it. That means your AI can handle the Postgrid 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 Postgrid? Take a look at dashboard.postgrid.com/signup.

Stop doing the Postgrid 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.