OpenCNAM

OpenCNAM

OpenCNAM is an open-source caller ID lookup service that provides accurate caller ID name information. It allows querying phone numbers to get the caller's name from a crowdsourced database.
OpenCNAM screenshot

OpenCNAM: Open-Source Caller ID Lookup Service

Open-source caller ID lookup service providing accurate caller ID name information from a crowdsourced database, allowing phone number queries for caller's names.

What is OpenCNAM?

OpenCNAM is an open source cloud-based caller ID lookup service. It allows querying phone numbers to retrieve the caller's name information from a crowdsourced database.

Some key features of OpenCNAM:

  • Provides accurate caller ID name and location information for phone numbers in the United States and Canada.
  • Has an open REST API that can be easily integrated into applications to enable caller ID lookup functionality.
  • Built on a community-driven crowdsourced database of phone number and caller information.
  • Can handle high volumes of number lookup queries.
  • Free for low usage tiers, paid plans available for high usage.
  • Hosted on secure and scalable infrastructure.

By leveraging the wisdom of the crowds, OpenCNAM provides an effective open source alternative to commercial caller ID services. The open data and APIs allow developers to easily bake caller ID functionality into their applications.

OpenCNAM Features

Features

  1. Reverse phone number lookup
  2. Crowdsourced caller ID database
  3. REST API
  4. Rate limiting
  5. Caching
  6. Webhook notifications
  7. Open source

Pricing

  • Open Source

Pros

Free and open source

Accurate caller ID information

Easy integration

Customizable

Transparent

Community supported

Cons

Requires technical expertise to set up and manage

No official support

Potential spam risks need to be managed

Crowdsourced data quality dependent on contributors

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