FreeClimb API
FreeClimb API offers immediate access to the power of the Vail Platform and its 32 years of world-class engineering. Now developers can quickly and cost-effectively create superior engagement experiences with the flexibility they desire and the scalability businesses demand.
Our API was born and raised within the enterprise environment – so it’s ready to live in yours. Powerful, flexible, affordable. Give your applications an upgrade.

FreeClimb Voice
Build voice experiences that you can rapidly scale up or down and modify, with features like interactive voice response (IVR), toll-free #s, speech recognition, call recording, routing, queuing, and answering machine detection.

Features
PCI DSS-certified and HIPAA-compliant
Control inbound and outbound calls
Click-to-call
Network call queuing
Privacy mode
Grammar-based speech-to-text
Text-to-speech
Voicemail and answering machine detection
Voice Quickstarts
FreeClimb SMS
FreeClimb API offers both A2P and P2P SMS messaging services, depending on use your case. To get started, simply sign up for a trial account, register your phone number, and then follow along with one of our published Quickstarts linked below. You’ll be sending and receiving messages within minutes. When you are ready to upgrade your account, we will help you register your phone number(s) for toll-free or 10DLC SMS services to ensure optimal throughput and deliverability.

Features
Support for high-volume messaging over toll-free and local (10DLC) numbers
Long message concatenation
Bi-directional unicode and emojis
Outbound messaging initiated during live voice calls
Message queuing to control message velocity
SMS Quickstarts
Phone numbers
Get toll free numbers, local area codes, or specific digits.
Call recording
Record an entire phone call, a single utterance, or both.
IVR
Play audio file prompts, convert text-to-speech, and speech-enable legacy touch-tone (DTMF) apps using our built-in Performance Command Language (PerCL).