You need an embassy visa for United States if you have a Cuban passport
Visa options for United States
Visitor visa
Travellers need a visa to visit United States. Beginning June 9, 2025, the United States has suspended new visa issuance for tourist/business (B-1/B-2), student (F/M/J), and all immigrant visas. Work visas and other nonimmigrant categories may still be available. The suspension does not affect: -United States permanent residents (green card holders); -Travellers with valid visas issued before June 9, 2025; -Travellers in the United States on June 9, 2025; -Certain visa categories, including diplomatic, special immigrant, and immediate family visas. Check the official government source for more details.
This is not offered by sherpa°.
Apply on the government site.