Retrieve a Telegram user's public bio (About) text, plus the numeric user id and username. Two-step flow: first call Check Telegram Peer Exists to obtain a userHash for the target peer, then pass that userHash here. Calls without a valid (or expired/unknown) userHash are rejected. The peer is resolved from the userHash server-side — no peer parameter is accepted. If the peer does not exist, exists=false and reason explains why. An empty about means the user has no bio or hides it. If the peer exists but is a group/channel rather than a user, the response carries a bad-request business code.

API Features

About / bio text Fetch the user's public bio signature in one call for display or enrichment

Gateway-validated userHash A valid, unexpired userHash is required for this lookup

Privacy-aware Empty about honestly reflects an unset or hidden bio; never fabricated

Live API Demo

GET /api/project/telegram/get-about

API Response (JSON)

{}

curl -X GET 'https://api.opendata-api.com/api/project/telegram/get-about?key=<API_KEY>&userHash=<userHash>'

curl -X GET 'https://api.opendata-api.com/api/project/telegram/get-about?key=<API_KEY>&userHash=<userHash>'

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Use Cases

Enrich contact records with the user's Telegram bio
Display profile context in messaging or support tooling
Detect profile changes over time

Related operations

Guides

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Get About / Bio Text