How to connect PDF-API-io with Contacts API

Seamless integration between Contacts API and PDF-API-io for automated workflows.

Connecting Contacts API to PDF-API-io: a quick start guide

This guide explains authentication, endpoint overview, and simple no-code workflows to pull contact data from the Contacts API and generate PDFs with PDF-API-io.

Authentication for Contacts API

Access to the Contacts API requires a valid GHL access token. Include the token in the Authorization header as a Bearer token for every request.

Authentication for PDF-API-io

Authenticate with PDF-API-io using your API key from the app dashboard. Use the recommended Authorization header or x-api-key header as documented by PDF-API-io.

Core Endpoints Used in This Integration

GET /contacts/:contactId; GET /contacts/:contactId/tasks; GET /contacts/:contactId/tasks/:taskId; GET /contacts/:contactId/notes; GET /contacts/:contactId/notes/:id; GET /contacts/:contactId/appointments; GET /contacts/; GET /contacts/business/:businessId; contacts.write; POST /contacts/; PUT /contacts/:contactId; DELETE /contacts/:contactId; POST /contacts/:contactId/tasks; PUT /contacts/:contactId/tasks/:taskId; PUT /contacts/:contactId/tasks/:taskId/completed; DELETE /contacts/:contactId/tasks/:taskId; POST /contacts/:contactId/tags

Top 3 connections between Contacts API and PDF-API-io

1) Auto-fill PDFs from contact data

Trigger: When a new contact is created or updated in Contacts API

Actions: fetch contact details, populate a PDF template in PDF-API-io, and deliver the PDF via email or cloud storage

GET /contacts/:contactId

Key fields: contactId, email, pdfTemplateId

Top 3 connections between Contacts API and PDF-API-io

2) Generate PDF summaries of contact activity

Trigger: On contact activity update or at scheduled intervals

Actions: pull contact history, generate a summary PDF, attach to the contact’s record, and store in cloud

GET /contacts/:contactId/notes

Key fields: contactId, summaryTemplateId

Top 3 connections between Contacts API and PDF-API-io

3) Create PDF invoices from contact data across multiple endpoints

Trigger: New or updated contact data or batch job

Actions: gather data from GET /contacts/:contactId, GET /contacts/:contactId/tasks, GET /contacts/:contactId/notes, then generate and deliver PDFs

GET /contacts/:contactId, GET /contacts/:contactId/tasks, GET /contacts/:contactId/notes

Key fields: contactId, templateId, pdfOutput

No-code benefits for integrating Contacts API with PDF-API-io

Build complex PDFs without coding using visual workflows and templates

Automate data pulls from Contacts API to PDF-API-io on triggers

Scale to many contacts and generate PDFs in bulk with consistent templates

Glossary and key terms

Key elements include API endpoints, triggers, actions, and data fields. Processes cover authentication, data retrieval, and PDF generation.

API

Application Programming Interface that enables data exchange between systems.

Endpoint

A specific URL path that performs an action or retrieves data from the API.

Webhook

A callback URL that an app calls to notify about events in real time.

Authentication

Method of proving identity to the API, typically via tokens or keys.

People also Search for:

Creative ideas for integrating Contacts API with PDF-API-io

Auto-fill client PDFs from contact data

Trigger PDF generation when a new contact is added, pulling essential fields to populate a template and deliver to clients.

Archive contact PDFs in a centralized repository

Create and file PDFs per contact into cloud storage with searchable, standardized names.

Summarize contact history into PDFs for quick reviews

Generate one-click PDFs that summarize activity, notes, and tasks for fast outreach planning.

3 easy steps to connect Contacts API with PDF-API-io

Step 1: Gather credentials

Obtain your API token for Contacts API and an API key for PDF-API-io from their dashboards.

Step 2: Configure authorization in the app

Add the tokens to your workflow’s authentication block and test requests to ensure valid responses.

Step 3: Build a sample workflow

Create a test workflow that retrieves a contact, generates a PDF, and emails it to the client.

Frequently Asked Questions

Do I need coding to use this integration?

No coding is required for many common tasks thanks to visual builders and templates. You can connect the two apps using no-code workflows to fetch contact data and generate PDFs. For power users, you can extend workflows with custom steps and logic as needed. The platform supports adapters and pre-built actions to simplify setup.

Key endpoints for PDF generation typically involve retrieving contact data (GET /contacts/:contactId), related notes (GET /contacts/:contactId/notes), and tasks (GET /contacts/:contactId/tasks). Combining these with PDF templates in PDF-API-io enables enriched documents. You may also pull activity summaries (GET /contacts/:contactId/notes) as part of the PDF content.

Authenticate requests by using your GHL access token in the Authorization header (Bearer token) and your PDF-API-io API key (or Bearer token) for the PDF service. Rotate credentials regularly and store them securely in your integration tool. Always test in a staging environment before going live.

Yes. You can trigger PDF delivery automatically after generation via email, or store PDFs in cloud storage and share links. Workflows can be scheduled or event-driven (e.g., on contact updates) to ensure timely delivery without manual intervention.

The Contacts API exposes fields such as contactId, name, email, phone, company, and related notes, tasks, and appointments. The exact fields depend on your schema, but you can map core fields into your PDF templates for personalized documents.

Rate limits depend on your GHL plan and PDF-API-io usage. To avoid throttling, implement exponential backoff, batch requests where possible, and stagger triggers for bulk PDF generation. Monitor usage via logs and dashboards.

Usage and logs are accessible from your integration platform’s dashboard. You can review API calls, responses, and error messages, and you can set up alerts for failures or unusual activity.

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🚀 GoHighLevel Integration

Complete Operations Catalog - 126 Actions & Triggers

126
Total Operations
55
Polling Triggers
71
Actions
14
Categories
👥

Contacts

10 Triggers 18 Actions
Trigger
Get Contact
Retrieve a specific contact by ID
Trigger
Search Contacts
Advanced search with filters
Trigger
Get Contacts by Business
Retrieve contacts linked to a business
Trigger
Get Duplicate Contact
Check for duplicate contacts
Trigger
Get Contact Appointments
List all appointments for a contact
Trigger
Get Contact Tasks
Retrieve all tasks for a contact
Trigger
Get Contact Task by ID
Get specific task details
Trigger
Get Contact Notes
List all notes for a contact
Trigger
Get Contact Note by ID
Retrieve specific note details
Trigger
List Contacts (Deprecated)
Legacy contact listing method
Action
Create Contact
Add a new contact to the system
Action
Update Contact
Modify existing contact information
Action
Find Contact
Search by email, phone, or ID
Action
Delete Contact
Remove a contact permanently
Action
Upsert Contact
Create or update contact automatically
Action
Add Tags to Contact
Tag contacts for organization
Action
Remove Tags from Contact
Remove specific tags
Action
Bulk Update Contact Tags
Add or remove multiple tags at once
Action
Create Contact Task
Add a new task for a contact
Action
Update Contact Task
Modify existing task details
Action
Complete Contact Task
Mark task as complete
Action
Delete Contact Task
Remove a task permanently
Action
Create Contact Note
Add notes to contact records
Action
Update Contact Note
Edit existing notes
Action
Delete Contact Note
Remove notes from contacts
Action
Add Contact to Campaign
Enroll contact in campaign
Action
Remove from Campaign
Remove contact from specific campaign
Action
Remove from All Campaigns
Unenroll from all campaigns
📅

Calendars & Appointments

13 Triggers 21 Actions
Trigger
List Calendar Groups
Get all calendar groups
Trigger
List Calendars
Retrieve all calendars
Trigger
Get Calendar by ID
Get specific calendar details
Trigger
Get Free Slots
Check calendar availability
Trigger
List Calendar Events
Get all scheduled events
Trigger
List Blocked Slots
View unavailable time slots
Trigger
Get Appointment
Retrieve appointment details
Trigger
List Appointment Notes
Get notes for appointments
Trigger
List Calendar Notifications
View notification settings
Trigger
Get Calendar Notification
Get specific notification
Trigger
List Calendar Resources
View rooms and equipment
Trigger
Get Calendar Resource
Get specific resource details
Action
Create Calendar Group
Set up new calendar group
Action
Update Calendar Group
Modify calendar group settings
Action
Update Group Status
Enable or disable calendar group
Action
Delete Calendar Group
Remove calendar group
Action
Validate Group Slug
Check if slug is available
Action
Create Calendar
Add new calendar
Action
Update Calendar
Modify calendar settings
Action
Delete Calendar
Remove calendar permanently
Action
Create Appointment
Book new appointment
Action
Update Appointment
Modify appointment details
Action
Delete Event
Cancel and remove event
Action
Create Block Slot
Block time on calendar
Action
Update Block Slot
Modify blocked time
Action
Create Appointment Note
Add notes to appointments
Action
Update Appointment Note
Edit appointment notes
Action
Delete Appointment Note
Remove appointment notes
Action
Create Calendar Notification
Set up reminders
Action
Update Notification
Modify notification settings
Action
Delete Notification
Remove notification
Action
Create Calendar Resource
Add room or equipment
Action
Update Calendar Resource
Modify resource details
Action
Delete Calendar Resource
Remove resource
💼

Opportunities

3 Triggers 7 Actions
Trigger
Search Opportunities
Find opportunities with filters
Trigger
Get Opportunity
Retrieve specific opportunity
Trigger
List Pipelines
View all opportunity pipelines
Action
Create Opportunity
Add new sales opportunity
Action
Update Opportunity
Modify opportunity details
Action
Delete Opportunity
Remove opportunity
Action
Update Opportunity Status
Change status (open, won, lost)
Action
Upsert Opportunity
Create or update opportunity
Action
Add Followers
Assign team members to follow
Action
Remove Followers
Unassign followers
👤

Users

4 Triggers 3 Actions
Trigger
Search Users
Find users with filters
Trigger
Filter Users by Email
Search users by email address
Trigger
Get User
Retrieve user details
Trigger
List Users by Location
Get users in specific location
Action
Create User
Add new user to system
Action
Update User
Modify user information
Action
Delete User
Remove user from system
💬

Conversations & Messages

8 Triggers 2 Actions
Trigger
Search Conversations
Find conversations by filters
Trigger
Get Conversation
Retrieve conversation details
Trigger
Get Email by ID
Retrieve specific email
Trigger
Get Message by ID
Get specific message details
Trigger
Get Messages by Conversation
List all conversation messages
Trigger
Get Message Recording
Retrieve voice recording
Trigger
Get Message Transcription
Get transcribed message text
Trigger
Download Transcription
Download transcription file
Action
Update Message Status
Change message read/unread status
Action
Agent Typing Indicator
Show typing indicator in chat
🏢

Businesses

2 Triggers 3 Actions
Trigger
Get Business
Retrieve business details
Trigger
List Businesses by Location
Get all businesses in location
Action
Create Business
Add new business
Action
Update Business
Modify business details
Action
Delete Business
Remove business
🔄

Workflows & Campaigns

3 Triggers 5 Actions
Trigger
List Workflows
Get all workflows
Trigger
List Snapshots
View available snapshots
Trigger
List Campaigns
Get all campaigns
Action
Add Contact to Workflow
Enroll in workflow automation
Action
Remove from Workflow
Unenroll from workflow
Action
Add Contact Followers
Assign followers to contact
Action
Remove Contact Followers
Unassign followers
Action
Bulk Business Update
Add/remove contacts from business
⚙️

Other Operations

20 Triggers 8 Actions
Trigger
List Locations
Get all locations
Trigger
List Custom Fields
View custom field definitions
Trigger
Get Company
Retrieve company information
Trigger
Find Associations
Search associations
Trigger
Get Association
Retrieve association details
Trigger
Get Association Key
Get key by name
Trigger
Get Association by Keys
Find by object keys
Trigger
Get Relations by Record
List record relations
Trigger
Check Blog URL Slug
Verify slug availability
Trigger
Get Blog Authors
List blog authors
Trigger
Get Blog Categories
List blog categories
Trigger
Get Blog Posts
List posts by blog
Trigger
Get Blogs by Location
List location blogs
Action
Find Location by ID
Retrieve location details
Action
Create Location
Add new location
Action
Create Association
Link related records
Action
Update Association
Modify association
Action
Delete Association
Remove association
Action
Create Relation
Establish record relation
Action
Delete Relation
Remove record relation
Action
Create Blog Post
Publish new blog post
Action
Update Blog Post
Edit blog post

✨ Key Capabilities

📊 Contact Management

  • 10 custom field slots per contact
  • Advanced search with filters
  • Duplicate detection
  • Tag management (bulk operations)
  • Full task and note management
  • Campaign & workflow enrollment

📅 Calendar Features

  • Calendar groups with slugs
  • Multiple calendar types
  • Free slot checking
  • Appointment booking system
  • Blocked slots management
  • Room & equipment resources

💼 Sales Pipeline

  • Multi-pipeline support
  • Stage management
  • Status tracking (won, lost, etc)
  • Monetary value tracking
  • User assignment
  • Follower management

🔄 Automation Ready

  • Workflow automation support
  • Campaign management
  • Polling triggers (1-15 min)
  • Real-time conversations
  • Bulk operations
  • Upsert capabilities
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