Integration
Connect Handwrytten to RapidReg
When Address List fires in Handwrytten, your agent runs Get account in RapidReg. Describe the whole flow and it is built, tested on every scenario and kept running.
What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.
Build solutions, not workarounds.
What do you want Handwrytten and RapidReg to do together?
Ask the assistant
Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiOne connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser.
Set it up in your client
Claude Code
Run this in the directory you want to work in.
claude mcp add --transport http -s project apiant-ai https://mcp.apiant.aiStart Claude Code there, approve the server, and sign in in the browser page it opens.
Claude Code guide (opens in a new tab)Claude, web and desktop
Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first.
Setup guide (opens in a new tab)Cursor
Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser.
Setup guide (opens in a new tab)Zed
Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.
Setup guide (opens in a new tab)Codex and the ChatGPT desktop app
Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in.
Setup guide (opens in a new tab)Any other MCP client
Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection.
Setup guide (opens in a new tab)Example flows
What Handwrytten can start in RapidReg
When Address List in Handwrytten
then Get account in RapidReg
When Address List in Handwrytten
then List brands in RapidReg
Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships.
Everything your agent can do with Handwrytten and RapidReg
Triggers and actions 1 trigger · 9 actions
Trigger
Address ListTriggers when Recipient Addresses are needed.
Action
Add Order to BasketAdds an order to a basket. If sending multiple cards at once, use this for each order, then check-out with Send Basket
Action
Create ContactCreates a new address book entry for the Handwrytten address book. (Note: other zaps don't really use the address book, but the rest of Handwrytten does.).
Action
Create Custom CardCreates a new custom 5x7 card with full bleed cover, using specified images, fonts, and logos.
Action
Empty BasketClears your basket.
Action
Find ContactFinds a contact in your address book.
Action
Update ContactUpdates an entry in the Handwrytten address book.
Action
Upload Custom ImageAdds an image to Handwrytten for use in custom card designs.
Action
Get accountReturns the basic details of your RapidReg account: name, email, timezone, sign-up and last-login times, and whether the account is active.
Action
List brandsReturns every brand you have created in RapidReg, with each brand's name, subdomain, category and status.
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
Each app on its own
Reviews
What our customers say
More from Handwrytten
Handwrytten to HubSpotHubSpot is your all-in-one stop for all of your marketing software needs.
Handwrytten to SalesforceSalesforce is a leading enterprise customer relationship management (CRM) platform.
Handwrytten to SlackSlack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...
Handwrytten to MailchimpMailchimp marketing automation and email platform.
Handwrytten to StripeStripe is a payment processing platform for online businesses.
Handwrytten to ShopifyShopify is a commerce platform for online stores and retail point-of-sale.
More into RapidReg
HubSpot to RapidRegHubSpot is your all-in-one stop for all of your marketing software needs.
Salesforce to RapidRegSalesforce is a leading enterprise customer relationship management (CRM) platform.
Slack to RapidRegSlack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...
Google Sheets to RapidRegGoogle Sheets
Gmail to RapidRegGmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...
Google Calendar to RapidRegGoogle Calendar is a time management tool providing scheduling features, event reminders, and integration...
Questions
Handwrytten and RapidReg, answered
What can start an automation from Handwrytten?
Any of Handwrytten's 1 trigger in the catalog, including Address List. Describe the moment in plain language and your agent picks the right one.
What can your agent do in RapidReg when something happens in Handwrytten?
Any of RapidReg's 2 actions, including Get account and List brands. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from RapidReg to Handwrytten?
RapidReg has no triggers in the catalog today, so automations start in Handwrytten. If you need the other direction, ask: your agent reads RapidReg's API documentation and adds it.
Do I have to build a connector for Handwrytten or RapidReg?
No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running.
Can my AI client use Handwrytten and RapidReg without building an automation?
Yes. With your AI client connected to APIANT, ask it to do something in either app once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running. One connection covers both.
What happens when something fails?
Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships.
Is there a free plan?
Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.