Chert
Chert is the official website positioning for enabling programmable communication access for agents: It provides phone numbers for agents to send and receive messages, voice and video calls, with status receipts and interface callbacks, suitable for automating workflows that turn conversations into actions.
Updated: 2026-10-27
What is Chert?
Chert's official website positions itself as a communication infrastructure for agents, with its title directly stating that agents can send and receive text messages, make phone calls, and conduct video calls. Its starting point is not to build another chat window, but to open up the native messaging and calling capabilities in daily mobile phones to applications: after an agent gets a phone number, it can complete reception, follow-up, and appointment on a familiar conversation interface. The official website states that it provides a stable messaging infrastructure and returns the message status to the business system through interfaces and callbacks.
Who is it for?
- Product teams that need agents to directly contact users to complete appointment scheduling, customer service, or onboarding processes.
- Operations teams that already have agents but do not want users to log in to a dedicated portal or wait for manual follow-ups.
- Automation and engineering teams that want to synchronize message status back to internal systems.
- Small service teams that need to maintain thread consistency across multiple recipients and multiple responsible persons.
Key features
6Native Message Channel
The official website states that agents can obtain a number for messages, SMS, and calls, and initiate native message conversations with the verified number to maintain a blue bubble-style communication experience.
Voice and Video Calls
The official website states that it supports voice calls and video calls, allowing users to directly converse with the agent or show the agent things that need to be processed via video.
Context Retention
The official website states that input status, emoji responses, and reply contexts will be retained in the same thread for subsequent processing by the agent or human agents, eliminating the need for a new channel.
Human Handover & Multi-Party Sessions
The official website states that it supports multi-recipient sessions, named senders and smooth handovers, and also provides contact cards and voice messages to bring the right person into the conversation.
Reachability Fallback
The official website states that when a contact is not within the native messaging ecosystem, it can fall back to SMS or rich media messages; the message delivery and read status can also be handed back to the business system via callbacks.
Business File Delivery
The official website states that menus, presentations, files and links can be sent within the same native thread, centralizing confirmation actions and required materials in one place.
How to use Chert
- 1Start with a clear conversation scenario, such as appointment confirmation or customer service follow-up, and then expand to multi-step processes.
- 2The official website states that a shared line can only handle one call at a time, and its capacity is affected by the plan and usage restrictions; confirm the concurrency requirements before access.
- 3For high-risk communications, retain the manual takeover path and map contacts, files and status callbacks to existing work orders or customer systems.
- 4The official website indicates that the command-line installation guide has been released, but not all software packages are available yet; technical access shall be subject to the availability of current documents.
- 5The free trial offered on the official website includes ten minutes of calls and ten messages, with a time limit, making it suitable for first validating the workflow before evaluating the paid plan.
Traffic & popularity
Data month Sep 2026
Chert receives about 1.6K visits per month and ranks #10,482,425 worldwide.
Monthly visits
8 monthsTraffic sources
- Direct39.2%
- Search32.3%
- Referrals10.4%
- Social6.2%
- Mail3.7%
- Other8.2%
Top countries
- United States84.1%
- India15.9%
Estimated from third-party traffic data.
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