What is the difference between 15 digit and 18 digit IDs in Salesforce?

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What is the difference between 15 digit and 18 digit IDs in Salesforce?

InfallibleTechie Admin
15 Digit Id is case-sensitive whereas 18 Digit Id is case-insensitive.

Many legacy applications doesn’t support case sensitive strings, so in that case we can make use of 18 digit Id which is case in-sensitive.

15 digit or 18 digit depends upon your requirement and dependent application.

API always makes use of 18 digit Id.

URL in Salesforce makes use of 15 digit Id.

Cheers!!!

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