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Get Set Up
Application Quickstart
FreeClimb Number Quickstart
THe Basics
Overview
How FreeClimb Works
Using Your Free Trial Account
Understanding Applications
Understanding Number Types
Languages and Tools
FreeClimb CLI
Using the API
HTTP Response Codes
Resource List Pagination
Barge In
PerCL Overview
Terminal Commands
Protect Your Account
Securing Sensitive User Data with PCI DSS Certification and HIPAA Compliance
Managing Your API Key
Verifying Request Signatures
SMS
Overview
Get Started
Node.js SMS Quickstart
Java SMS Quickstart
C# SMS Quickstart
Python SMS Quickstart
Try It Out
Receive a Message
Send an SMS During a Call
List Messages
Two-Factor Authentication Using SMS
Enable Toll-Free A2P SMS
Enable 10DLC A2P SMS
Learn More
Sending and Receiving Messages
Concatenation
Encoding
Troubleshooting Deliverability
Non-Consumer (A2P) SMS Messaging on FreeClimb
A2P SMS Messaging Registration Guidelines
Build Your App
Two-Factor Authentication Using SMS
Error Codes
Reference
Webhooks
PerCL
Voice
Overview
Get Started
Node.js Voice Quickstart
Java Voice Quickstart
C# Voice Quickstart
Python Voice Quickstart
Ruby Voice Quickstart
PHP Voice Quickstart
Try It Out
Accept an Incoming Call
List Calls
Make an Outbound Call
Connect a Caller to Another Party
Collect Digits
Add Speech Recognition
Create a Conference and Add Participants
List Conferences
List Conference Participants
Handle a Call Queue
Get a Queue
Update a Queue
List Queues
Create a Queue
Get a Queue Member
List Queue Members
Dequeue a Member
Create a Recording
List Recordings
Play a Recording
Stream a Recording
Delete a Recording
Advanced Features
Click to Call via Web Browser
Pay by Phone with Voice Calling
Self Service Using Audio Files
Self Service Using Text-to-Speech
Self Service Using Keypad Input
Call Routing Using Voice Input
Call Routing Using Keypad Input
Interactive Voice Response (IVR)
Learn More
Basic Calling
Conferencing
Queues
Recordings
IVRs
How to Write a Grammar
Build Your App
Click to Call via Web Browser
Pay by Phone with Voice Calling
Interactive Voice Response (IVR)
Error Codes
Reference
Webhooks
PerCL
Error Codes
Suggest Edits
Error and Warning Dictionary
Updated 16 days ago