Integration
Connect Open Letter Connect and Sunwise
When New Contact fires in Open Letter Connect, your agent runs Create or Update Contact in Sunwise, or Created Project in Sunwise to Add contact labels in Open Letter Connect. 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 Open Letter Connect and Sunwise 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)Grok
Open grok.com/connectors, choose New Connector, then Custom, and paste the address. Grok signs you in in your browser.
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 Open Letter Connect and Sunwise can do together
From Open Letter Connect to Sunwise
When New Contact in Open Letter Connect
then Create or Update Contact in Sunwise
When New Order in Open Letter Connect
then Add Contact Tracking in Sunwise
From Sunwise to Open Letter Connect
When Created Project in Sunwise
then Add contact labels in Open Letter Connect
When New Contact in Sunwise
then Create Contact in Open Letter Connect
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 Open Letter Connect and Sunwise
Triggers and actions 5 triggers · 31 actions
Trigger
New ContactTriggers when a new contact is added in Open Letter Connect.
Trigger
New OrderTriggers when a new mail order is placed in Open Letter Connect.
Action
Add contact labelsAdds one or more labels (tags) to the given contacts. The update runs in the background.
Action
Cancel OrderCancels an Open Letter Connect order that has not been mailed yet.
Action
Create ContactCreates a contact in Open Letter Connect with a US mailing address. Either First Name or Company Name is required.
Action
Delete ContactDeletes an Open Letter Connect contact.
Action
Find ContactsSearches Open Letter Connect contacts by name, company, address, email or phone and returns the matches.
Action
Find OrdersSearches Open Letter Connect orders by order name or exact order ID.
Action
Get ContactReturns one Open Letter Connect contact, including its labels.
Action
Get OrderReturns one Open Letter Connect order with its status, payment status and template.
Action
List contact labelsReturns all contact labels (tags) in your Open Letter Connect organization, with how many contacts carry each.
Action
List TemplatesLists your Open Letter Connect mail templates, optionally including the shared templates OLC provides.
Action
List tracking phone numbersReturns the tracking phone numbers in your Open Letter Connect organization, optionally filtered by a search term.
Action
Update ContactUpdates an existing Open Letter Connect contact. Only the fields you fill in are changed.
Trigger
Created ProjectTriggers when a new project is created in Sunwise.
Trigger
New ContactTriggers when a new contact is created in Sunwise.
Trigger
Updated ContactTriggers when a contact is created or its details change in Sunwise.
Action
Add Contact TrackingLogs a follow-up activity (call, email, visit, message) against a Sunwise contact, with an optional reminder.
Action
Add ProposalCreates a new proposal inside an existing Sunwise project, optionally from a preset plan and optionally generated right away.
Action
Add ReportCreates a new report for a project from one of its historical records.
Action
Create or Update ContactCreates a contact in Sunwise with name, email and telephone.
Action
Get All Proposals for a ProjectReturns every proposal in a project along with its contact.
Action
Get ContactReturns a single Sunwise contact by its ID, including name, email, telephone, company and status.
Action
Get Favorite Proposal IDReturns the favorite proposal of a project.
Action
Get ProjectReturns a Sunwise project by its ID, including its location, contact, agent and favorite commercial offer.
Action
Get ProposalReturns the details of one proposal.
Action
List ContactsReturns the contacts visible to the connected account, optionally filtered by text, agent, status or contact status.
Action
List Contact TrackingsReturns all tracking records (follow-ups) for a contact, most recent first, each with its comments.
Action
List PresetsReturns all active proposal presets (plans) for your Sunwise company.
Action
Search ContactsSearches active contacts matching the given text and returns the matches.
Action
Search ProjectsSearches active projects matching the given text and returns the matches.
Action
Search Project SummariesSearches active project summaries matching the given text and returns the matches.
Action
Search ProposalsSearches active proposals matching the given text and returns the matches.
Action
Search Proposal SummariesSearches active proposal summaries matching the given text and returns the matches.
Action
Search ReportsSearches active reports matching the given text and returns the matches.
Action
Update ContactUpdates an existing Sunwise contact's name, email, telephone and details.
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
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Questions
Open Letter Connect and Sunwise, answered
What can start an automation from Open Letter Connect?
Any of Open Letter Connect's 2 triggers in the catalog, including New Contact and New Order. Describe the moment in plain language and your agent picks the right one.
What can your agent do in Sunwise when something happens in Open Letter Connect?
Any of Sunwise's 19 actions, including Create or Update Contact, Update Contact, Add Contact Tracking and Add Proposal. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Sunwise to Open Letter Connect?
Yes. When something happens in Sunwise, your agent can act in Open Letter Connect too. This page covers both directions: Sunwise's triggers and Open Letter Connect's actions are listed here as well.
Do I have to build a connector for Open Letter Connect or Sunwise?
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 Open Letter Connect and Sunwise 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.