Please read the first few paragraphs highlighted in yellow that discuss Visa Direct requirements and if you meet the requirements, please fill out the Visa Direct Program Implementation Questionnaire and submit it to the email address listed on that form.
It's really important for you to complete this Visa Direct process before moving forward with using this API.
Please reach out if you have any questions or feel free to submit a new community forum post and someone will be happy to work with you to answer your questions.
Was your question answered? Don't forget to click on "Accept as Solution" to help other devs find the answer to the same question.