The Telemetry Telegram Channel Catalog: How to Browse Millions of Channels by Category and Language

Ari Ben Am

A guide to Telemetry's channel catalog — a browsable directory of public Telegram channels sorted into 21 categories and filterable by language, with per-channel analytics. Learn what it covers, who it's for, and how to use it for research and monitoring.

The Telegram Channel Catalog: Browse Millions of Channels by Category and Language

Telegram crossed one billion monthly active users in March 2025, and a large share of that activity happens in public channels - one-way broadcasts that reach subscribers with almost no algorithmic filtering. That reach is exactly why channels matter to anyone tracking news, markets, or threats. It's also why they're hard to find: Telegram has no public, topic-organized directory inside the app. Discovery runs on invite links, forwards, and word of mouth, so if you don't already know a channel's exact @handle, locating it is mostly luck.

The Telemetry channel catalog closes that gap. It's a browsable directory of public Telegram channels, sorted into 21 categories and filterable by language, where every entry links straight to its own analytics. This post explains what the catalog covers, how to use it, and where it fits for research, monitoring, and analysis.

What the catalog is

The catalog is the discovery layer on top of Telemetry's existing search and analytics index. Instead of querying for a term, you browse - by topic, then by language - and scan results as cards.

Each channel card shows three things at a glance:

  • The channel name and @handle, linking to the channel on Telegram.

  • The channel's own description, so you can judge relevance before clicking.

  • An Analytics button, which opens Telemetry's metrics view for that specific channel.

That last point is what separates a catalog from a link list. A static "best Telegram channels" listicle goes stale the day it's published and tells you nothing about whether a channel is active, growing, or dormant. Every entry in the Telemetry catalog is tied to a live index, so the directory and the data behind it stay in sync - the difference between a bookmark and an instrument.

The 21 categories

Channels are organized into clear verticals. The current set:

News & Politics · Religion · Video · Books · Travels · Games · Sports · Tech & Software · Health · Cyber · Crypto · Music · Food · Marketing · Beauty · Education · Nature · Psychology · Career · Transport · Law

Two of these - Cyber and Crypto - are worth calling out for analysts. They concentrate the channels most relevant to threat intelligence, fraud monitoring, and market-moving activity, which makes the catalog a fast on-ramp when you're scoping a new investigation rather than tracking a known target. Telegram's combination of large public audiences and minimal moderation has made it a primary venue for everything from breaking-news aggregation to leak distribution, which is why open-source investigators treat it as a core collection source - it appears throughout practitioner references like Bellingcat's investigation toolkit.

You can open any category directly - for example News & Politics, Cyber, or Crypto - and then narrow by language from there.

Why language filtering matters

Telegram is global, and any single category will mix dozens of languages and scripts. A News & Politics view pulls in English wire services, Arabic regional channels, Persian outlets, and more, side by side.

Filtering by language scopes a category to a region or audience. For an analyst building a picture of discourse in a specific country, that filter is the difference between a usable shortlist and an unsorted firehose. It's also how you avoid a common error: treating an English-language sample as representative of activity that's actually happening in another language entirely. With India now Telegram's largest single market and the platform's heaviest use concentrated outside the English-speaking world, language-first browsing is often the only way to reach the channels that matter for a given question.

How to use it, step by step

  1. Sign in. Browsing the full catalog requires a free Telemetry account. Create one or sign in.

  2. Pick a category from the sidebar, then set a language filter to match your topic or region.

  3. Scan the cards. Read names, handles, and descriptions to shortlist channels worth a closer look.

  4. Open analytics. Click Analytics on any channel to study subscriber trends, posting cadence, and engagement signals - or follow the handle straight to Telegram to read the source.

If a public channel you need isn't indexed yet, use Request Chats to submit it. It gets added to both the catalog and the search index.

What the analytics tell you

The catalog is the entry point; the analytics view is where it earns its place in a workflow. Opening a channel surfaces the signals that turn a name on a list into evidence:

  • Subscriber trend over time - is the audience growing, plateauing, or shedding members, and when did the inflection happen?

  • Posting cadence - steady daily output, bursts around events, or long silences that suggest a dormant or repurposed channel.

  • Reach and engagement - how far posts travel, which is the basis for judging influence rather than just follower count.

Read together, those metrics let you separate a high-reach hub from a quiet mirror, date the moment a channel changed behavior, and prioritize which channels are worth continuous monitoring. That's the work the catalog is built to start.

Who the catalog is for

OSINT and CTI analysts. Map the channel landscape around an actor, region, or theme before committing to monitoring specific targets. The category-plus-language view is a fast way to surface the channels you didn't already know existed - and the per-channel analytics give you the baseline you need to spot change later.

Journalists and researchers. Locate primary sources quickly, and check a channel's reach and activity before citing it or building a story around a thread. Telegram channels have become a direct publishing platform for governments, agencies, and public figures, so verifying which account is the real hub matters.

Security and trust teams. Watch categories like Cyber and Crypto for emerging leaks, scams, and coordinated behavior, then drill into individual channels for the underlying numbers and timing.

Marketers and analysts. Benchmark channels within a vertical and size up audiences before planning outreach, sponsorship, or a partnership - using growth and engagement data rather than a vanity subscriber count.

How the catalog relates to Telemetry search

Browsing is one entry point; querying is the other. The catalog is best when you're starting from a topic and don't yet know which channels matter. Telemetry's search and analytics platform is best when you have a keyword, selector, or known channel and need to go deep - across messages, over time, at scale.

Most workflows use both: browse the catalog to build a shortlist of channels in a category, then switch to search and per-channel analytics to monitor them. For programmatic access to the same index, the Telemetry API exposes channel and message data for pipelines and tooling.

Frequently asked questions

What is the Telemetry channel catalog? A browsable directory of public Telegram channels indexed by Telemetry, organized into 21 categories and filterable by language, with an analytics view for every channel.

How many channels are indexed? The catalog spans millions of public channels and grows continuously as new public sources are added.

Is it free to browse? Browsing the full catalog requires a free Telemetry account. Sign in or create an account to open all categories and per-channel analytics.

Can I request a channel that isn't listed? Yes - submit any public channel through Request Chats and it will be added to the catalog and the search index.

How is this different from searching inside the Telegram app? Telegram's in-app search matches text you already know and surfaces channels you can name. The catalog lets you discover channels by category and language without knowing a handle in advance, and adds analytics the app doesn't expose.


Ready to start? Open the catalog and pick a category.