Question: what documents are needed for k1 visa?
Answer: DS-160 Confirmation. ... 
Form I-129F, Petition for Alien Fiancé ... 
Form I-797, Notice of Action (petition approval notice) ... 
Valid passport. ... 
Medical Examination. ... 
Form I-134, Affidavit of Support. ... 
Passport-style photos. ... 
Birth certificate.