The file was accidentally deleted by the user or moved to the Recycle Bin.
You're most likely to encounter an error about this missing file in just a few specific situations:
If you are trying to launch a PC game and met with a frustrating popup saying you are not alone. This specific DLL (Dynamic Link Library) file is a critical component used by many modern video games to communicate with the Steam platform.
Sometimes antivirus software falsely flags this DLL as a threat. Download Steam-api64r.dll
If you are trying to launch a PC game and see an error stating or "Steam-api64r.dll not found," your game cannot communicate with the Steam platform. This specific Dynamic Link Library (DLL) file is a component used by various modern video games to integrate with Steam's features, such as achievements, multiplayer matchmaking, and digital rights management (DRM).
This is a more common solution, but it requires caution and is . Only try this if the previous steps didn't work.
It handles achievements, cloud saves, multiplayer matchmaking, and friend lists. The file was accidentally deleted by the user
Follow these step-by-step troubleshooting methods, ranked from the most effective to the most comprehensive. 1. Verify Integrity of Game Files
Your antivirus may have moved the file to quarantine.
Understanding why the error occurs helps prevent it from happening again. The most common causes include: Sometimes antivirus software falsely flags this DLL as
Navigate to the , Quarantine , or Virus Chest section.
This is a legitimate file created by for the Steam client. It allows games to communicate with Steam features (achievements, cloud saves, DRM). It belongs in your game folder, not your Windows System32 folder.
"This application failed to start because steam-api64r.dll was not found. Re-installing the application may fix this problem." "Crashing in module steam-api64r.dll." Why is the File Missing or Corrupted?
Download and install the latest (install both the x86 and x64 versions).