Data access
The AT Protocol is open, and public data can be read.
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Posts, profile and custom feeds
On Bluesky, search and custom feeds rely on post text. State the topic in the first sentence, complete your profile and verify your domain as your handle.
Full tracking for this surface is in development. This page describes the intended scope, and the free tools work today.
The AT Protocol is open, and public data can be read.
Limit: A place in feeds isn’t guaranteed.
Rules can change. Each row shows its source and verification status.
| Field | Limit | Status | Source |
|---|---|---|---|
| Post | 300 characters | Third-party sources agree | opentweet.io |
| Bio | 256 characters | Third-party sources agree | opentweet.io |
| Display name | 64 characters | Third-party sources agree | opentweet.io |
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