Linden Lab

Second Life Name to Agent ID API

Resolves a Second Life username, with an optional last name defaulting to "Resident", to the avatar's agent UUID. A JSON POST authenticated with an api-key header issued from the account console. Rate limited to 2 requests per second, returning 403 on exhaustion. The most modern endpoint on Linden Lab's surface and the only one with a JSON error envelope.

GitHub

Documentation

📖
Documentation
https://wiki.secondlife.com/wiki/Name_to_agent_ID_API
📖
RateLimits
https://raw.githubusercontent.com/api-evangelist/linden-lab/refs/heads/main/rate-limits/linden-lab-rate-limits.yml

Other Resources

🔗
SignUp
https://accounts.secondlife.com/manage_api_key
🔗
ErrorCatalog
https://raw.githubusercontent.com/api-evangelist/linden-lab/refs/heads/main/errors/linden-lab-error-codes.yml

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API entry from apis.yml

apis.yml Raw ↑ 
name: Second Life Name to Agent ID API
description: Resolves a Second Life username, with an optional last name defaulting to "Resident", to
  the avatar's agent UUID. A JSON POST authenticated with an api-key header issued from the account console.
  Rate limited to 2 requests per second, returning 403 on exhaustion. The most modern endpoint on Linden
  Lab's surface and the only one with a JSON error envelope.
humanURL: https://wiki.secondlife.com/wiki/Name_to_agent_ID_API
baseURL: https://api.secondlife.com
tags:
- Identity
- Lookup
properties:
- type: Documentation
  url: https://wiki.secondlife.com/wiki/Name_to_agent_ID_API
- type: SignUp
  url: https://accounts.secondlife.com/manage_api_key
- type: RateLimits
  url: rate-limits/linden-lab-rate-limits.yml
- type: ErrorCatalog
  url: errors/linden-lab-error-codes.yml