Callr

Spec sheet

What it does

Callr provides programmable voice, SMS, call tracking, conversation intelligence and AI voice agents on its own carrier network.Read 15 Oct 2026 · callr.com

Product

Callr provides an API-first voice and messaging platform with programmable voice, SMS, call tracking, and conversation AI.Read 9 Oct 2026 · callr.com

Audience

Callr describes its platform as infrastructure for businesses embedding voice and messaging in products and for teams using calls in customer experience, sales, or marketing.Read 9 Oct 2026 · callr.com

Integrations

Callr lists native connectors for Salesforce, HubSpot, Google Analytics, and Google Ads, plus a REST API and webhooks.Read 9 Oct 2026 · callr.com

Security

Callr states that HTTPS, SIP TLS and SRTP encryption are included across plans.Read 15 Oct 2026 · callr.com

Support

Callr describes 24/7 support as part of its service and lists premium customer support for Enterprise.Read 9 Oct 2026 · callr.com

Headquarters

Paris and New YorkRead 28 Sep 2026 · callr.com

Founded

2011Read 28 Sep 2026 · callr.com

Company

Callr says it was founded in 2011 and is based in Paris and New York.Read 9 Oct 2026 · callr.com

AI agents

AI voice agents can qualify leads, answer questions, route escalations, and book appointments in more than 30 languages.Read 9 Oct 2026 · callr.com

AI telephony bridges

Native SIP connections are offered for ElevenLabs, Vapi and OpenAI Realtime.Read 15 Oct 2026 · callr.com

AI voice agents

AI agents can answer, understand and resolve calls end to end, escalating to a human when needed.Read 15 Oct 2026 · callr.com

Analytics integrations

Official integrations include Google Analytics for conversion events and Mixpanel for product events.Read 15 Oct 2026 · callr.com

API base URL

API v2 endpoints use https://api.callr.com/v2.0/.Read 15 Oct 2026 · docs.callr.com

API rate limit

The API is limited to 10 requests per second and returns HTTP 429 when that threshold is exceeded.Read 15 Oct 2026 · docs.callr.com

Automation

Callr Actions lets customers build call scenarios in YAML, and the feature list also names Zapier and Make integrations.Read 9 Oct 2026 · callr.com

Automation integrations

Callr advertises CRM connectors for Salesforce, HubSpot, Google and Microsoft plus Zapier and Make automation.Read 15 Oct 2026 · callr.com

Call analytics

Its conversation AI can generate transcripts and summaries and extract sentiment, intent, and other structured data from calls.Read 9 Oct 2026 · callr.com

Call control

The API supports click-to-call, conferencing, DTMF input, voicemail detection, real-time call control and business-hours routing.Read 15 Oct 2026 · callr.com

Call tracking

Tracking features include dynamic number insertion, source attribution, call detail records, unique callers, geographic origin and ring or talk time.Read 15 Oct 2026 · callr.com

Company founders

Crunchbase identifies Florent Chauveau and Taoufik ZAGDOUD as founders.Read 15 Oct 2026 · crunchbase.com

Company legal name

Crunchbase lists the legal name as THE CALLR CORP.Read 15 Oct 2026 · crunchbase.com

Company size

LinkedIn lists Callr as having 11–50 employees.Read 15 Oct 2026 · linkedin.com

Conversation intelligence

The service provides sentiment scoring, intent classification, keyword and topic extraction, and structured data extraction.Read 15 Oct 2026 · callr.com

Coverage

Callr says its platform covers more than 220 countries.Read 9 Oct 2026 · callr.com

Data jurisdiction

Callr says customers can choose an EU-law contract with its French entity or a US-law contract with its US entity.Read 9 Oct 2026 · callr.com

Data location

Callr says customers can pin numbers and data to France, the United States, or Singapore.Read 9 Oct 2026 · callr.com

Data residency

For EU-law accounts, TCLR SAS is the controller and data is hosted on Callr-owned servers in France; US-law accounts use The Callr Corp.Read 15 Oct 2026 · callr.com

Data retention

Call detail records are retained for three years for billing, dispute resolution and legal compliance.Read 15 Oct 2026 · callr.com

Encryption

Callr says calls and messages use HTTPS, SIP TLS, and SRTP encryption.Read 9 Oct 2026 · callr.com

Feature rating: call recording

GetApp users rated call recording 4.7 out of 5 from seven ratings.Read 15 Oct 2026 · getapp.com

Feature rating: call routing

GetApp users rated call routing 4.6 out of 5 from eight ratings.Read 15 Oct 2026 · getapp.com

Free trial limits

Build Mode permits testing but blocks buying phone numbers, limits outbound calls to five verified testing numbers and may restrict destinations.Read 15 Oct 2026 · docs.callr.com

GetApp sentiment

GetApp reports 82% positive reviews and a rating distribution of eight five-star, two four-star and one three-star reviews.Read 15 Oct 2026 · getapp.com

Global coverage

The platform provisions phone numbers in more than 220 countries.Read 15 Oct 2026 · callr.com

IVR

Its voice API includes interactive voice response for greeting, qualifying and routing callers.Read 15 Oct 2026 · callr.com

Licence

The published API reference identifies the Callr API licence as proprietary.Read 15 Oct 2026 · api.callr.com

Listed integrations

GetApp lists Google Analytics 360, Zapier, Mixpanel, Salesforce Field Service, HubSpot Marketing Hub, Claude, ChatGPT, Salesforce Einstein, Salesforce Customer360, HubSpot Sales Hub and HubSpot Service Hub.Read 15 Oct 2026 · getapp.com

Model choice

Callr supports connecting public or self-hosted GPT, Claude, Mistral, Llama or in-house models.Read 15 Oct 2026 · callr.com

Network

Callr says it operates its own carrier network and servers rather than reselling a hyperscaler’s infrastructure.Read 9 Oct 2026 · callr.com

OpenAPI

The API is compatible with OpenAPI 3.1 and JSON Schema and publishes YAML and JSON specifications.Read 15 Oct 2026 · docs.callr.com

Praise: programmer flexibility

AlternativeTo reviewers praised Callr for extensive possibilities for programmers and straightforward setup.Read 15 Oct 2026 · alternativeto.net

Praise: reliability and documentation

AlternativeTo reviewers described competitive European pricing, responsive support, stable lines, no delivery problems and strong documentation.Read 15 Oct 2026 · alternativeto.net

Rating on GetApp

4.6 out of 5 from 11 reviews.Read 15 Oct 2026 · getapp.com

Rating on Software Advice

4.6 out of 5 from 11 ratings.Read 15 Oct 2026 · softwareadvice.com

Recording storage

Voice recordings are stored on Callr servers in France, and customers may delete them or store them on their own servers.Read 15 Oct 2026 · callr.com

REST API

The API uses REST conventions, form-encoded requests, JSON responses and standard HTTP status codes.Read 15 Oct 2026 · docs.callr.com

Scale

Callr says it handles more than 2.5 million calls daily for over 300 companies.Read 15 Oct 2026 · callr.com

SDK availability

Callr says it currently provides no REST API v2 SDKs, but developers can generate SDKs from the OpenAPI specification.Read 15 Oct 2026 · docs.callr.com

SMS

The platform supports inbound and outbound SMS, custom sender IDs, short codes, long numbers, delivery reports and GSM or Unicode text.Read 15 Oct 2026 · callr.com

Support and training

GetApp lists email/help desk, chat, phone support, knowledge base, FAQs, 24/7 live representatives, documentation, in-person training and videos.Read 15 Oct 2026 · getapp.com

Supported platforms

GetApp lists web, Android and iPhone/iPad support.Read 15 Oct 2026 · getapp.com

Transcription

Calls can be transcribed automatically with speaker separation and searchable history.Read 15 Oct 2026 · callr.com

Voice broadcasting

Callr can send a recorded voice message to thousands of recipients.Read 15 Oct 2026 · callr.com

Webhooks

Webhooks deliver real-time HTTP callbacks for call and message events.Read 15 Oct 2026 · callr.com

Plans and prices

Every Callr plan and price →

Where Specifiction places it

• Voice APIs#1 of 529.0
• Call Tracking Software#1 of 369.1
• Transactional SMS Software#3 of 769.1