License library / Open data
Community Data License Agreement Permissive 2.0
Use, modify and share the data for any purpose; when sharing the data, include the agreement. Results of computational use, such as trained models, carry no restrictions or obligations.
SPDX CDLA-Permissive-2.0 Version 2.0 Official text
Uses at a glance
| commercial use | Permitted |
|---|---|
| production deployment | Permitted |
| modification / derivatives | Permitted |
| redistribution | Permitted |
| sublicensing | Not documented |
| AI model training | Permitted |
| inference-time use (RAG, prompts, generation) | Permitted |
Duties
- license notice
Notes
- Written for data and machine learning: the agreement places no restrictions or obligations on results such as trained models.
- Sublicensing is not documented.
Resources under this license
No resource in the registry is published under this license yet.
For agents
curl -s https://www.a2ally.com/v1/licenses/check -H 'content-type: application/json' \
-d '{"license":"CDLA-Permissive-2.0","intended_use":{"commercial_use":true,"deployment":true}}'Reading version 2026-10-09 by the a2ally rights desk; reference hash 1d36217131c77995a452eb91eea4b334e9a4de14e0c422bb2aa2a7ed8e2c0c89 identifies this license version: it is computed over the SPDX id, the version and the official URL, not over the license text. The license text governs; this is not legal advice.
Get a free API key in one call
No card and no email needed. 100 free credits; the license and policy checks stay free without a key.
curl -s -X POST https://www.a2ally.com/v1/accounts/signup -H "Content-Type: application/json" -d '{"accept_terms":true}'
export A2ALLY_API_KEY=rs_... # the api_key from the reply (shown once)
curl -s https://www.a2ally.com/v1/licenses/check -H "Authorization: Bearer $A2ALLY_API_KEY" \
-H "Content-Type: application/json" -d '{"license":"MIT","intended_use":{"commercial_use":true}}'