Skip to content

Connect Human in the Loop and SignRequest to power AI-driven automation

  • No-code AI automation
  • Full audit trails and controls
  • SOC 2 and GDPR compliant
  • Easy visual workflow builder
  • 9,000+ apps, 450+ AI tools
  • Free tier available
Choose a Trigger
Choose an Action
Get started free
Integrate for free
Google Logo Start with Google for free

Top companies trust Zapier to automate work that solves their unique business problems—no coding required.

How Zapier works

Zapier makes it easy to integrate Human in the Loop with SignRequest - no code necessary. See how you can get setup in minutes.

100%
Help
Human in the Loop logo
Human in the Loop
Human in the Loop logo
Human in the Loop
1. Choose trigger event
SignRequest logo
SignRequest
SignRequest logo
SignRequest
2. Choose action
Human in the Loop logo
1. Select the event
Setup
Test
Human in the Loop logo
Human in the Loop
Choose a trigger event

Choose a trigger

A trigger is the event that starts your Zap—like a "New Approval Requested" from Human in the Loop.

Add your action

An action happens after the trigger—such as "Send SignRequest" in SignRequest.

You’re connected!

Zapier seamlessly connects Human in the Loop and SignRequest, automating your workflow.

Supported triggers and actions

Zapier helps you create workflows that connect your apps to automate repetitive tasks. A trigger is an event that starts a workflow, and an action is an event a Zap performs.

    • Explanation
    • Input fields
    Trigger
    Instant
    Try It
    • Approval request message
    • Content to review
      Required
    • Content keys
    • Approve button label
    • Decline button label
    • Action if reviewer declines
      Required
    • Let reviewer edit content?
      Required
    • Send request via
      Required
    • Type of reviewer
      Required
    • On timeout
      Required
    • TimeoutLimitExplanation
    • Timeout value
      Required
    • Timeout unit
      Required
    • Send reminder
      Required
    • Zap_id
    • Zap_step_id
    • Zap_run_id
    • Zap_path_run_id
    Action
    Write
    • Team
    Trigger
    Instant
    Try It
    • Team
    • File
    • File From URL
    • Sender Email
    • Who Needs to Sign?
    • SignRequest Name
    • Custom SignRequest Email Subject
    • Custom Message
    • Send Automatic Reminders?
    • External ID
    • Signer Email
      Required
    • Signer First Name
    • Signer Last Name
    • Does This Signer Need to Sign?
    • Signer Needs to Approve Only?
    • Signing Order
    • Signer Language
    • Force Language
    • Mobile Phone Number to Verify
    • Advanced Signers Configuration
    • Advanced Tags Prefill
    Action
    Write
    • Data collection message
    • Data inputs
      Required
    • Send request via
      Required
    • Type of reviewer
      Required
    • On timeout
      Required
    • TimeoutLimitExplanation
    • Timeout value
      Required
    • Timeout unit
      Required
    • Send reminder
      Required
    • Zap_id
    • Zap_step_id
    • Zap_run_id
    • Zap_path_run_id
    Action
    Write
    • Team
    Trigger
    Instant
    Try It
    • Team
    Trigger
    Instant
    Try It
    • Team
    • Template
      Required
    • Sender Email
    • Who Needs to Sign?
    • SignRequest Name
    • Custom SignRequest Email Subject
    • Custom Message
    • Send Automatic Reminders?
    • External ID
    • Signer Email
      Required
    • Signer First Name
    • Signer Last Name
    • Does This Signer Need to Sign?
    • Signer Needs to Approve Only?
    • Signing Order
    • Signer Language
    • Force Language
    • Mobile Phone Number to Verify
    • Advanced Signers Configuration
    • Advanced Tags Prefill
    Action
    Write

For AI agents & developers

Use Human in the Loop and SignRequest with AI agents and code

Beyond Zap workflows. Call Human in the Loop and SignRequest actions directly from your AI client or your codebase, using the same 9,000+ app integrations Zapier already runs.

No code

Connect via Zapier MCP

Expose Human in the Loop and SignRequest actions as tools in any MCP client. Authenticate once, then call them in natural language.

Example actions on this page

  • Collect Data
  • Send SignRequest

Works with

Claude · ChatGPT · Cursor · any MCP-compatible client

Connect Zapier MCP
Typescript

Call from code with the Zapier SDK

Trigger Human in the Loop and SignRequest actions from backend services, scripts, or agent code.

Install

# TypeScript / Node
npm install @zapier/zapier-sdk

Run an action

import { createZapierSdk } from '@zapier/zapier-sdk';

const zapier = createZapierSdk();
await zapier.runAction({ /* human-in-the-loop / signrequest action */ });
Run the SDK docs

There is no Python package yet. SDK is TypeScript-only (@zapier/zapier-sdk). The MCP server URL is personal to your account; get it at zapier.com/mcp.

Zapier is the automation platform of choice for 87% of Forbes Cloud 100 companies in 2023

G2 Badge - Best Est. ROI - Winter 2024
G2 Badge - Best Results - Winter 2024
G2 Badge - Most Implementable - Winter 2024
G2 Badge - Leader Mid-Market - Winter 2024

93%

Customers who say using Zapier has made them better at their job

25m

Customers have created over 25 million Zaps on the platform

6 mins

The average user takes less than 6 minutes to set up a Zap

Connect Human in the Loop and SignRequest to integrate crucial parts of your business

With Zapier, you can integrate everything from basic data entry to end-to-end processes. Here are some of the business-critical workflows that people automate with Zapier.

Automate your lead management and improve conversions

With Zapier, you can automate every part of your lead funnel and give yourself the best chance at converting leads. Automate everything from lead capture to outreach to reporting—and close more deals as a result.
An illustration representing how to automate lead management with Zapier.

Create more impactful campaigns with automation

Measuring campaign performance across platforms can get chaotic. Plus, digging up the right metrics costs you precious time and effort. With Zapier, you can create a centralized view of your performance, skillfully manage your lists, and ensure your campaigns drive ROI across the business.
An illustration representing how to measure campaign impact with Zapier.

Provide world-class support with a little help from automation

Support reps can't be productive when they have to track down crucial information for every incident or ticket. With Zapier, you can automatically send your reps the context they need to resolve tickets quickly and create a seamless customer experience.
An illustration representing how to automate customer support with Zapier.

Automate your way to actionable, up-to-date data

The days of manually exporting and importing data are over. With Zapier, you can send data where it needs to go, in the format you need it—so you can centralize your data and unlock more insights.
An illustration representing how to move and manage data with Zapier.

Resolve incidents faster with automation

Your technical support team wants to focus on tech tickets rather than admin work. With Zapier, you can automate everything from ticket creation to routing to inter-team communication—eliminating friction from incident management and increasing speed to resolution.
An illustration of a flow chart representing how to resolve tickets and incidents with Zapier.

Make work flow with AI

Level up your Human in the Loop to SignRequest integration with AI. Extract, summarize, and transform your integration data with leading AI models like OpenAI, Anthropic, and more.
Illustration of AI enhancing Zapier workflows with automation and app integrations.
human-in-the-loop logo
human-in-the-loop logo
About Human in the Loop
Human in the Loop is a native way complete a manual action during a Zap run.
HelpHelp
Related categories
AI Assistants
signrequest logo
signrequest logo
About SignRequest
SignRequest is an electronic (digital) signature solution to get documents signed. Easy, fast, secure and legally binding.
Learn moreLearn moreHelpHelp
Related categories
Signatures

Connect Human in the Loop to SignRequest on the world's largest no-code automation platform

Google Logo Sign up with Google