Bluesky API Error ReferenceComplete troubleshooting guide with solutions

Comprehensive reference for Bluesky API errors. Find solutions and troubleshoot common integration issues.

10 error codes
5 categories
AT Protocol

Error Categories

Authentication

3 errors

Rate Limiting

2 errors

Moderation

2 errors

Media

2 errors

Content

1 error

All Error Codes

#Authentication

invalid tokenrefresh-token

Bluesky session has expired. Please reconnect your Bluesky account.

Solution:

Your Bluesky session is no longer valid. Bluesky uses session-based authentication. Reconnect your account to establish a new session.

expiredrefresh-token

Bluesky session has expired. Please reconnect your Bluesky account.

Solution:

Your Bluesky session expired. Sessions typically last for a limited time. Reconnect your account to get a fresh session token.

unauthorizedrefresh-token

Bluesky session has expired. Please reconnect your Bluesky account.

Solution:

Authentication failed. This happens when your session expires or is invalid. Go to account settings and reconnect your Bluesky account.

#Rate Limiting

rate limitretry

Bluesky rate limit reached. Please try again in a few moments.

Solution:

You've exceeded Bluesky's rate limits. Wait a few minutes before retrying. Bluesky enforces rate limits to maintain service quality.

too many requestsretry

Bluesky rate limit reached. Please try again in a few moments.

Solution:

Too many requests in a short time. Space out your requests and implement exponential backoff. The system will automatically retry.

#Moderation

blockeduser-error

Content blocked by Bluesky moderation. Please review Bluesky's community guidelines.

Solution:

Your content was blocked by Bluesky's moderation system. Review Bluesky's community guidelines and ensure your content complies with their policies.

moderationuser-error

Content blocked by Bluesky moderation. Please review Bluesky's community guidelines.

Solution:

Content flagged by moderation filters. Avoid posting spam, harassment, or content that violates Bluesky's guidelines. Review and modify your content.

#Media

blob too largeuser-error

Media file is too large or invalid. Bluesky has strict file size limits.

Solution:

Bluesky has a maximum file size of 1MB for images. Compress your images to meet this requirement. Use tools like TinyPNG or ImageOptim.

blob invaliduser-error

Media file is too large or invalid. Bluesky has strict file size limits.

Solution:

Your media file is invalid or corrupted. Ensure your image is a valid JPG, PNG, or WebP file. Re-export the image and try again.

#Content

text too longuser-error

Post text exceeds Bluesky's character limit (300 characters).

Solution:

Bluesky has a 300-character limit per post. Shorten your text or split it into multiple posts (a thread). Be concise and to the point.

Best Practices

Error Handling

  • Implement session refresh logic
  • Handle rate limits with exponential backoff
  • Validate content against community guidelines
  • Compress images before upload

Prevention Tips

  • Keep posts under 300 characters
  • Compress images to under 1MB
  • Follow Bluesky community guidelines
  • Use session-based authentication

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