Belvo's API connects to banks and fiscal institutions in Latin America. Sandbox: https://sandbox.belvo.com. A link is a connection to one user's institution.
Create secret keys in the Belvo dashboard. Belvo uses Basic auth with the secret key id and password — curl's -u, PostTaco's Auth tab.
Full reference: https://developers.belvo.com/
curl "https://sandbox.belvo.com/api/institutions/?page_size=10" \
-u {{BELVO_SECRET_ID}}:{{BELVO_SECRET_PASSWORD}}
curl https://sandbox.belvo.com/api/links/ \
-u {{BELVO_SECRET_ID}}:{{BELVO_SECRET_PASSWORD}}
curl "https://sandbox.belvo.com/api/accounts/?link={{LINK_ID}}" \
-u {{BELVO_SECRET_ID}}:{{BELVO_SECRET_PASSWORD}}