Build solutions, not workarounds.
What do you want Apollo and mails.so 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 Apollo can start in mails.so
When Account Updated in Apollo
then Bulk validate email addresses in mails.so
When Contact Updated in Apollo
then Validate Email Address in mails.so
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 Apollo and mails.so
Triggers and actions 4 triggers · 12 actions
Trigger
Account UpdatedPolls Apollo accounts/search for new or updated accounts (dedup on MD5 of the record; accounts/search returns no updated_at). Apollo has no record-change webhook API, so this is a polling trigger.
Trigger
Contact UpdatedPolls Apollo contacts/search for new or updated contacts (dedup on MD5 of the record). Apollo has no record-change webhook API, so this is a polling trigger.
Trigger
New AccountPolls Apollo accounts/search for newly created accounts (dedup on account id). Apollo has no record-change webhook API, so this is a polling trigger.
Trigger
New ContactPolls Apollo contacts/search for newly created contacts (dedup on contact id). Apollo has no record-change webhook API, so this is a polling trigger.
Action
Create AccountAn Account is a company that your team has added to Apollo.
Action
Create ContactA Contact is a person your team has added to Apollo.
Action
Create DealDeals are records that you can use to track possible opportunities with your prospective customers.
Action
Create TaskCreates a task for the specified Apollo contact (via /tasks/bulk_create with a single contact).
Action
Find ContactFind a contact in your Apollo instance by searching for their email. If you have multiple contacts with the same email address, this search returns the contact that was created first.
Action
Find DealReturns up to 100 deals (opportunities) that match the specified name. Leave name blank to return all deals.
Action
Find TaskReturns up to 100 tasks for the specified contact. Leave contact_id blank to return all tasks.
Action
Update AccountUpdate an existing Account.
Action
Update ContactUpdate an already existing Contact.
Action
Update DealUpdate an already existing Deal.
Action
Bulk validate email addressesSubmits a list of email addresses to mails.so for asynchronous bulk validation and returns the batch job.
Action
Validate Email AddressValidates a single email address and returns its deliverability result, score and the individual checks.
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 Apollo
Apollo to StreakStreak is a flexible CRM and process management system that lives inside your Gmail inbox.
Apollo to HubSpotHubSpot is your all-in-one stop for all of your marketing software needs.
Apollo to SalesforceSalesforce is a leading enterprise customer relationship management (CRM) platform.
Apollo to SlackSlack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...
Apollo to Google SheetsGoogle Sheets
Apollo to GmailGmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...
More into mails.so
HubSpot to mails.soHubSpot is your all-in-one stop for all of your marketing software needs.
Salesforce to mails.soSalesforce is a leading enterprise customer relationship management (CRM) platform.
Slack to mails.soSlack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...
Google Sheets to mails.soGoogle Sheets
Gmail to mails.soGmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...
Google Calendar to mails.soGoogle Calendar is a time management tool providing scheduling features, event reminders, and integration...
Questions
Apollo and mails.so, answered
What can start an automation from Apollo?
Any of Apollo's 4 triggers in the catalog, including Account Updated, Contact Updated, New Account and New Contact. Describe the moment in plain language and your agent picks the right one.
What can your agent do in mails.so when something happens in Apollo?
Any of mails.so's 2 actions, including Bulk validate email addresses and Validate Email Address. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from mails.so to Apollo?
mails.so has no triggers in the catalog today, so automations start in Apollo. If you need the other direction, ask: your agent reads mails.so's API documentation and adds it.
Do I have to build a connector for Apollo or mails.so?
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.