# EDI Core APIs are now multi-region

> EDI Core APIs are now multi-region

Published Feb 9, 2022

Product: EDI platform

Since launch, EDI Core served traffic from a single geographic region. Now, EDI Core serves traffic from multiple regions. This will increase the reliability of the service in the case of a regional outage, and decrease latency for requests made geographically closer.

**Mappings: Lookup tables**

You can now add one or more lookup tables to your mappings. Lookup tables are powerful for use cases where you have a field that contains a code and you wish to replace it with a related value.

For example, if you have a source field with a country code (\`USA\`) and you want to replace it with the country name (\`United States\`), you can achieve this by building a countries lookup table:

You can then use the lookup table in your mapping expression with the `$lookupTable` function: