Linden Lab

Second Life Registration API

Registers new Second Life residents from a third-party web page. Capability based — credentials are POSTed to a capability-minting endpoint which returns per-operation unguessable capability URLs for create_user, check_name, add_to_group, get_last_names and get_error_codes. LLSD XML request and response bodies, with a published catalog of 59 numeric error codes the API will also enumerate for you at runtime. Access is granted by application, reviewed by Linden Lab.

GitHub

Documentation

📖
Documentation
https://wiki.secondlife.com/wiki/Linden_Lab_Official:Registration_API
📖
APIReference
https://wiki.secondlife.com/wiki/Linden_Lab_Official:Registration_API_Reference

Other Resources

🔗
ErrorCatalog
https://raw.githubusercontent.com/api-evangelist/linden-lab/refs/heads/main/errors/linden-lab-error-codes.yml
🔗
SourceCode
https://github.com/secondlife/registration-api-examples
🔗
SignUp
https://wiki.secondlife.com/wiki/Linden_Lab_Official:Registration_API_Request_Form

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API entry from apis.yml

apis.yml Raw ↑ 
name: Second Life Registration API
description: Registers new Second Life residents from a third-party web page. Capability based — credentials
  are POSTed to a capability-minting endpoint which returns per-operation unguessable capability URLs
  for create_user, check_name, add_to_group, get_last_names and get_error_codes. LLSD XML request and
  response bodies, with a published catalog of 59 numeric error codes the API will also enumerate for
  you at runtime. Access is granted by application, reviewed by Linden Lab.
humanURL: https://wiki.secondlife.com/wiki/Linden_Lab_Official:Registration_API
baseURL: https://cap.secondlife.com
tags:
- Registration
- Identity
- Onboarding
properties:
- type: Documentation
  url: https://wiki.secondlife.com/wiki/Linden_Lab_Official:Registration_API
- type: APIReference
  url: https://wiki.secondlife.com/wiki/Linden_Lab_Official:Registration_API_Reference
- type: ErrorCatalog
  url: errors/linden-lab-error-codes.yml
- type: SourceCode
  url: https://github.com/secondlife/registration-api-examples
- type: SignUp
  url: https://wiki.secondlife.com/wiki/Linden_Lab_Official:Registration_API_Request_Form