TERMS OF USE AND SLA

OpenAIRE HTTP API: the APIs are free-to-use (no sign-up needed) by any third-party service. Note that:

• The HTTP API limits each query to 10,000 paged results; for unlimited access to the APIs please contact the service administrators.
• Since 2015 an RDF dump of the LOD is made available in Zenodo.org

Metadata license is CC-BY: the metadata records retuned by the service can be freely re-used by commercial and non-commercial partners under CC-BY license, hence as long as OpenAIRE is acknowledged as content provider.

Quality of Service: all API services are running in production 24/7 within the OpenAIRE infrastructure premises deployed at the data center facilities of the Interdisciplinary Centre for Mathematical and Computational Modelling (ICM).

APIs rate limits

• no more than 30 concurrent connections from single IP to any APIs
• no more than 67 concurrent requests in total
• no more then 37 concurrent request in total (max 30 per single IP) to the HTTP API for selective access
• no more than 15 requests/second to the HTTP API for selective access (in total, not per IP. If this limit is reached, requests will be delayed).