# The Internet Computer Interface Specification

**URL:** <https://forum.dfinity.org/t/the-internet-computer-interface-specification/2227>\
**Category:** Developers\
**Created:** [March 19, 2021, 3:44pm UTC](https://forum.dfinity.org/t/the-internet-computer-interface-specification/2227 "2021-03-19T15:44:23Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Ori](https://avatars.discourse-cdn.com/v4/letter/o/ecae2f/32.png) [@Ori](https://forum.dfinity.org/u/Ori)\
**Post date:** [March 19, 2021, 3:44pm UTC](https://forum.dfinity.org/t/the-internet-computer-interface-specification/2227/1 "2021-03-19T15:44:23Z")

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Some light weekend reading for everyone…

[The Internet Computer Interface Specification](https://sdk.dfinity.org/docs/interface-spec/index.html)

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**Author:** ![bengo](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.dfinity.org/bengo/32/530_2.png) [@bengo](https://forum.dfinity.org/u/bengo)\
**Post date:** [March 20, 2021, 1:44am UTC](https://forum.dfinity.org/t/the-internet-computer-interface-specification/2227/2 "2021-03-20T01:44:27Z")

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This is the most important release yet! There are now ‘[version numbers](https://sdk.dfinity.org/docs/interface-spec/index.html#changelog)’ to the Internet Computer Protocol