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A
baddigest
Easy Fix
AWS S3 · Object Storage
Provided checksum/MD5 does not match object payload received.
Quick Answer
Error code BadDigest on your AWS S3 Object Storage means: Provided checksum/MD5 does not match object payload received.. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
S3-CLIS3-SDK-JSS3-BOTO3S3-CONSOLES3-CRRS3-REST
Likely Causes
  1. Payload schema, field type, or request shape does not satisfy endpoint contract.
  2. One or more required fields are missing, malformed, or semantically inconsistent.
  3. Client serialization transformed values in a way the API rejects at validation time.
How to Fix It
1
AWS S3: Validate request payload against the latest API schema before sending.
2
Inspect field-level errors and correct type, format, and required-field completeness.
3
Replay the same call with a minimal valid payload to isolate offending attributes.
4
Enforce strict client-side validation and schema version pinning in your integration.
5
Add contract tests so this validation pattern is caught before deployment.
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
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