Integration
Connect MailCheck.ai and Sellsy
When something happens in MailCheck.ai or Sellsy, your agent does the next thing in the other. Describe it 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 MailCheck.ai and Sellsy to do together?
Ask the assistant
Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiAny 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 MailCheck.ai and Sellsy can do together
From MailCheck.ai to Sellsy
When Domain added to blocklist (instant) in MailCheck.ai
then Create Annotation in Sellsy
When Domain flagged as relay (instant) in MailCheck.ai
then Create Company in Sellsy
From Sellsy to MailCheck.ai
When New Company in Sellsy
then Get domain in MailCheck.ai
When New Contact in Sellsy
then Get email in MailCheck.ai
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 MailCheck.ai and Sellsy
Triggers and actions 10 triggers · 16 actions
Trigger
Domain added to blocklist (instant)Fires when a domain is added to the account's blocklist.
Trigger
Domain flagged as relay (instant)Fires when a previously-looked-up domain is newly flagged as a relay/forwarding domain.
Trigger
Domain flagged as spam (instant)Fires when a previously-looked-up domain is newly flagged as a spam domain.
Trigger
Domain unflagged as spam (instant)Fires when a previously-looked-up domain changes from spam to non-spam.
Action
Get domainCheck a domain for disposable/relay/spam status, MX configuration, age, SPF/DMARC posture, and blocklist status.
Action
Get emailCheck an email address for disposable/relay/role-account status, normalized form, and its domain's signals.
Trigger
New CompanyTriggers when a new company (client or prospect) is created.
Trigger
New ContactTriggers when a new contact is created.
Trigger
New OpportunityTriggers when a new opportunity is created.
Trigger
Updated CompanyTriggers when a company (client or prospect) is updated.
Trigger
Updated ContactTriggers when a contact is updated.
Trigger
Updated TaskTriggers when a task is updated.
Action
Create AnnotationCreates a new annotation.
Action
Create CompanyCreates a new company (prospect or client).
Action
Create ContactCreates a new contact.
Action
Create OpportunityCreates an opportunity.
Action
Create TaskCreates a new Task.
Action
Create/Update CompanyCreates a new company (prospect or client). Make an update if we found an existing company with provided email.
Action
Create/Update ContactCreates a new contact. Make an update if we found an existing contact with provided email.
Action
Delete TaskDeletes a Sellsy task.
Action
Find CompanyFinds an existing company (prospect or client).
Action
Find ContactFinds an existing contact.
Action
Get OpportunityReturns one Sellsy opportunity by id.
Action
Get TaskReturns one Sellsy task by id.
Action
List Opportunity Pipeline StepsLists the steps of a pipeline; supplies the required step id for Create Opportunity.
Action
Update Taskupdates a task's title, description, due date, status etc.; fires task.updated.
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 MailCheck.ai
MailCheck.ai to SalesforceSalesforce is a leading enterprise customer relationship management (CRM) platform.
MailCheck.ai to SlackSlack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...
MailCheck.ai to MailchimpMailchimp marketing automation and email platform.
MailCheck.ai to StripeStripe is a payment processing platform for online businesses.
MailCheck.ai to ShopifyShopify is a commerce platform for online stores and retail point-of-sale.
MailCheck.ai to QuickBooks OnlineQuickBooks Online accounting — manage customers, invoices, bills, payments, vendors, expenses, and more via...
More into Sellsy
HubSpot to SellsyHubSpot is your all-in-one stop for all of your marketing software needs.
Salesforce to SellsySalesforce is a leading enterprise customer relationship management (CRM) platform.
Google Sheets to SellsyGoogle Sheets
Gmail to SellsyGmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...
Google Calendar to SellsyGoogle Calendar is a time management tool providing scheduling features, event reminders, and integration...
Google Drive to SellsyGoogle Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...
Questions
MailCheck.ai and Sellsy, answered
What can start an automation from MailCheck.ai?
Any of MailCheck.ai's 4 triggers in the catalog, including Domain added to blocklist (instant), Domain flagged as relay (instant), Domain flagged as spam (instant) and Domain unflagged as spam (instant). Describe the moment in plain language and your agent picks the right one.
What can your agent do in Sellsy when something happens in MailCheck.ai?
Any of Sellsy's 14 actions, including Create Annotation, Create Company, Create Contact and Create Opportunity. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Sellsy to MailCheck.ai?
Yes. When something happens in Sellsy, your agent can act in MailCheck.ai too. This page covers both directions: Sellsy's triggers and MailCheck.ai's actions are listed here as well.
Do I have to build a connector for MailCheck.ai or Sellsy?
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.
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.