Integration
Connect MailerLite to Signatureapi
When something happens in MailerLite, your agent does the next thing in Signatureapi. 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 MailerLite and Signatureapi 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 MailerLite can start in Signatureapi
When Subscriber Added to Group in MailerLite
then Add ceremony in Signatureapi
When Subscriber Completed Automation in MailerLite
then Add deliverable in Signatureapi
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 MailerLite and Signatureapi
Triggers and actions 10 triggers · 24 actions
Trigger
Campaign SentTriggers when a campaign has been sent out.
Trigger
Spam ComplaintTriggers when a subscriber issues a spam complaint about an email.
Trigger
Subscriber Added to GroupTriggers when a subscriber is added to a group.
Trigger
Subscriber BouncedTriggers when an email to a subscriber bounces.
Trigger
Subscriber Completed AutomationTriggers when a subscriber completed a selected workflow.
Trigger
Subscriber CreatedTriggers when a subscriber was created on your mailing list.
Trigger
Subscriber Fields UpdatedTriggers when the subscriber fields have been updated.
Trigger
Subscriber Removed From GroupTriggers when a subscriber has been removed from a group.
Trigger
Subscriber Triggered AutomationTriggers when a subscriber triggers a selected workflow.
Trigger
Subscriber UnsubscribedTriggers when a subscriber has unsubscribed from your mailing list.
Action
Add Subscriber to a GroupAdd existing subscriber to a specific group by email address.
Action
Change Subscriber EmailChange subscriber email to another.
Action
Create a Draft CampaignCreate a Draft Campaign
Action
Create or Update SubscriberCreate a new subscriber or Update an existing subscriber based on their email.
Action
Create Subscribers GroupCreate a new subscribers group.
Action
Find a GroupSearch for a group by name
Action
Find a SubscriberSearch for a subscriber by email or name
Action
Remove Subscriber From a GroupRemove subscriber from a specific group by email address.
Action
Unsubscribe SubscriberSets the contact's status to "Unsubscribed".
Action
Add ceremonyCreates a new signing ceremony for a recipient. Any previous active ceremony for that recipient is revoked. Returns the ceremony, including its URL when the recipient is authenticated by email code or by your own application.
Action
Add deliverableCreates an additional deliverable (signed PDF package) from a completed envelope. The envelope must be completed.
Action
Add envelopeCreates an envelope with documents and recipients and starts the signing process.
Action
Add uploadUploads a PDF, DOCX or PNG file to SignatureAPI and returns a URL you can use as a document source when creating an envelope. Uploads expire after 24 hours.
Action
Cancel envelopeCancel an in-progress envelope so remaining recipients can no longer sign.
Action
Delete envelopeDelete an envelope.
Action
Get deliverableRetrieves a deliverable by its ID, including its status and, once generated, a download link for the signed PDF.
Action
Get envelopeRetrieve a single envelope by id.
Action
Get recipientRetrieves a recipient's details, including status, ceremony information and completion timestamp.
Action
Get uploadFetches an uploaded file's record by ID: its format, size, hash and expiry. An error occurs if the upload is not found.
Action
List deliverablesReturns the deliverables (signed PDFs with audit log) of an envelope, earliest first.
Action
List envelopesLists envelopes in the account, most recent first, optionally filtered by status or topic.
Action
Resend requestResends the signing request to a recipient who has not yet completed their ceremony, e.g. as a reminder or after a lost or soft-bounced email.
Action
Update envelopeUpdate mutable fields (e.g. title, metadata) of an existing envelope.
Action
Update recipientReplaces a recipient who has not yet completed with a new person. The original recipient is marked replaced and a new recipient is created with the same type, key, routing position and places.
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
MailerLite and Signatureapi, answered
What can start an automation from MailerLite?
Any of MailerLite's 10 triggers in the catalog, including Subscriber Added to Group, Subscriber Completed Automation, Subscriber Created and Subscriber Fields Updated. Describe the moment in plain language and your agent picks the right one.
What can your agent do in Signatureapi when something happens in MailerLite?
Any of Signatureapi's 15 actions, including Update envelope, Update recipient, Add ceremony and Add deliverable. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Signatureapi to MailerLite?
Signatureapi has no triggers in the catalog today, so automations start in MailerLite. If you need the other direction, ask: your agent reads Signatureapi's API documentation and adds it.
Do I have to build a connector for MailerLite or Signatureapi?
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.