All artifacts related to a systematic mapping study on web API security vulnerabilities and mitigation mechanisms; the data consists of the protocol we followed to perform the review (Protocol.pdf, in spanish), the data fields we extracted from each primary study in the review along with the rationale for their inclusion (Data extraction fields.xlsx), the data extracted from each of them (DataExtraction.xlsx), the quality assessment criteria and results (Quality Asessement.xlsx) and the extracted primary studies during each phase of the filtering process: QuasiGoldPapers.xlsx Replicability initial.xlsx Replicability phase 1.xlsx Replicability phase 2.xlsx Replicability phase 3.xlsx Replicability phase 4.xlsx Replicability final.xlsx