All visa data, which VisaMap contains is public. You can easily embed visa and embassy information in your site

Embassies

Embassy list
http://visamap.net/api/embassies.json
Embassy list by country
http://visamap.net/api/embassies/{country_code}.json

Visa rules

Embassy list
http://visamap.net/api/rules.json
Embassy list by country
http://visamap.net/api/rules/{country_code}.json

Embed a map