Other sites that provide this: https://multinational.io https://multinational.io https://passportindex.org https://passportindex.org Given the amount of work

Other sites that provide this: https://multinational.io https://multinational.io https://passportindex.org https://passportindex.org Given the amount of work needed to maintain this information in useful detail, perhaps a site could ask for $X (maybe less than 10) per lookup for a given nationality to a given country, then use that to have a lawyer or someone keep the data accurate.