This post talks about the newest Pokemon Go API, the Player XP Requirements API at pogoapi.net.
Player XP Requirements
For each Pokemon Go level you are required to reach a specific amount of cumulative xp.
For each level this will be shown as the amount of xp required to get to the next level, but it is stored as cumulative xp in the code.
Getting the Player XP Requirements data
This API details the cumulative xp requirement for each level.
Returns a JSON dict where each key is the level and the value is the xp required for the keys level.
"8": 28000, ...
The full documentation is available on the PoGoAPI.net documentation page.
If you have any questions about this API or suggestions for other API’s contact me here below or on Twitter!