Integration
Connect HelloSign and SendGrid
When New Signature Request fires in HelloSign, your agent runs Create or update contact in SendGrid, or New bounce in SendGrid to Get Signature Request Files in HelloSign. 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 HelloSign and SendGrid 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)Connecting HelloSign and SendGrid lets the people you ask to sign a document also be the people you email properly. New signature requests in HelloSign can create or update SendGrid contacts and trigger signer emails, while bounces and unsubscribes in SendGrid can pull up or cancel pending HelloSign requests. The agent builds it, tests every scenario and keeps it running.
Example flows
What HelloSign and SendGrid can do together
From HelloSign to SendGrid
When New Signature Request in HelloSign
then Create or update contact in SendGrid
When New Signature Request in HelloSign
then Send an email in SendGrid
From SendGrid to HelloSign
When New bounce in SendGrid
then Get Signature Request Files in HelloSign
When New global suppression in SendGrid
then Cancel Signature Request in HelloSign
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 HelloSign and SendGrid
Triggers and actions 5 triggers · 18 actions
Trigger
New Signature RequestTriggers when a new signature request appears in the account.
Action
Cancel Signature RequestCancels an incomplete signature request.
Action
Get AccountReturns information about the current Dropbox Sign account.
Action
Get Signature RequestRetrieves a single signature request by its ID.
Action
Get Signature Request FilesReturns a download URL for the documents of a signature request as a PDF.
Action
List Signature RequestsLists signature requests for the account, paginated and ordered newest first.
Action
List TemplatesLists the reusable templates available to the account.
Action
Send ReminderSends an email reminder to a signer to sign a pending signature request.
Action
Send Signature RequestCreates and sends a new signature request using document file URLs and a list of signers.
Trigger
New bouncePolls the v3 Suppression Bounces API for bounced email addresses. Emits one record per bounce.
Trigger
New global suppressionPolls the v3 Suppressions API for globally-suppressed (unsubscribed) email addresses. Emits one record per suppressed email.
Trigger
New or updated recipientTriggered when a recipient is created or updated.
Trigger
New suppressed emailTriggered when a new email is suppressed.
Action
Add to suppression groupAdd a recipient's email to a SendGrid suppression group (unsubscribe group).
Action
Create custom fieldCreates a new custom field.
Action
Create listCreates a new marketing contact list via the v3 Marketing Lists API.
Action
Create or update contactAdds or updates a marketing contact (upsert by email) via the v3 Marketing Contacts API. Optionally assigns to lists.
Action
Create or update recipientCreates a new recipient if the email does not exist, otherwise updates the existing recipient.
Action
Delete contactsDeletes one or more marketing contacts by their contact IDs via the v3 Marketing Contacts API.
Action
Get contact by emailLooks up a marketing contact by email address via the v3 Marketing Contacts search-by-emails endpoint.
Action
Remove from suppression groupRemove a recipient's email from a SendGrid suppression group (unsubscribe group).
Action
Send an emailSends an email via the v3 Mail Send API to a single recipient with subject and plain-text or HTML body.
Action
Send an email using templateSends an email via the v3 Mail Send API using a dynamic template ID. Dynamic template data is passed as a JSON object.
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
HelloSign and SendGrid, answered
Can the signer be emailed from SendGrid instead of the standard HelloSign notice?
Yes. A new signature request in HelloSign can trigger Send an email or Send an email using template in SendGrid, addressed to the signer with your own subject and body. The agent tests both scenarios before it goes live.
What happens when a signer's address bounces or unsubscribes in SendGrid?
A new bounce in SendGrid can cancel the incomplete HelloSign signature request for that address, and a new global suppression can list the account's open requests so you can see what is affected. Both rest on listed triggers and actions only.
What can start an automation from HelloSign?
Any of HelloSign's 1 trigger in the catalog, including New Signature Request. Describe the moment in plain language and your agent picks the right one.
What can your agent do in SendGrid when something happens in HelloSign?
Any of SendGrid's 10 actions, including Create or update contact, Send an email, Create custom field and Create list. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from SendGrid to HelloSign?
Yes. When something happens in SendGrid, your agent can act in HelloSign too. This page covers both directions: SendGrid's triggers and HelloSign's actions are listed here as well.
Do I have to build a connector for HelloSign or SendGrid?
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 HelloSign and SendGrid 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.