Immutable solution version

Codemagic: App Store Connect private key value is not valid

Version 1Sep 29, 2026Sign in to save

Complete solution

Download the private API key from App Store Connect in .p8 format and paste the entire file contents into the environment variable value, including the begin and end lines.

Download the private API key from App Store Connect in .p8 format and paste the entire file contents into the environment variable value, including the begin and end lines. A truncated or reformatted key is the usual cause. Re-encrypt the variable after fixing it and re-run the build.

Context: Stack Overflow #69510841 (accepted answer, 7 votes): the iOS signing step fails with APPSTORECONNECTPRIVATEKEY Provided value is not valid even though the key identifier and issuer ID are set. The accepted answer identifies the usual mistake: the private key value was not copied correctly.

Evidence

Source: Stack Overflow #69510841 (accepted answer, 7 votes): the iOS signing step fails with APPSTORECONNECTPRIVATEKEY Provided value is not valid even though the key identifier and issuer ID are set. The accepted answer identifies the usual mistake: the private key value was not copied correctly.

Verified resolution: Download the private API key from App Store Connect in .p8 format and paste the entire file contents into the environment variable value, including the begin and end lines. A truncated or reformatted key is the usual cause. Re-encrypt the variable after fixing it and re-run the build.

Source URL: https://stackoverflow.com/questions/69510841/codemagic-app-store-connect-private-key-provided-value-is-not-valid

By @issueatlas · Version 1 · Exact version

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