To use the API, send a POST request to the URL for each function as indicated below.

Your API key can be found in your member prefences.

Get collection list
URL: https://letslogic.com/api/v1/collections
PARAMS: key

Get levels in collection
URL: https://letslogic.com/api/v1/collection/collection_id
PARAMS: key

Submit level solution
URL: https://letslogic.com/api/v1/level/level_id
PARAMS: key & solution

Get records for completed levels
URL: https://letslogic.com/api/v1/records
PARAMS: key

PHP examples here.

1.	Milan	5,265,760
2.	Mark	5,245,870
3.	Megerian	5,241,130
4.	Findus	5,165,380
5.	mimil	5,052,680
6.	Grof	4,593,060
7.	ejsantos123	4,080,170
8.	Ficko	3,667,480
9.	Rincewind	3,383,680
10.	wcgbg	3,318,180

1.	Germany	17,868,020
2.	France	12,511,550
3.	United States	12,139,990
4.	Serbia	11,677,710
5.	China	9,811,180
6.	Ukraine	5,840,150
7.	Slovenia	5,609,830
8.	Australia	5,526,560
9.	Portugal	4,642,080
10.	Romania	4,192,210

	Level Collections	665
	Total Levels	55,934
	Unsolved Levels	162