What information and procedures do you need for a work visa to Ecuador? urgent

You should call the embassy directly, because this clause may change.

Generally speaking, you need to send a letter, the countersigned approval from the other immigration bureau, and double proof documents of all your abilities and academic materials, and then sign it in person.

PS: It should be that your expression is not concise enough. You need to explain what kind of visa you want to apply for. The key is that you need to apply for entry approval at the immigration office first, and then tell the embassy the number on the approval. They will tell you what materials the immigration department wants after they check it for you.