Payload size limit on API Gateway

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A customer is using API gateway, Lambda, and DynamoDB to build an API. They need an image uploading function and expect to receive 100-1000 images in the range of 5-50MB in size. API Gateway has a "payload size" limit of 10MB. Is there a way for them to implement the file upload functionality on the API and not be restricted by the payload size limit? What workarounds have other customers implemented?

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Accepted Answer

Instead of posting the data directly to the API endpoint, they could implement their client to upload the image to S3 storage first and provide API Gateway a pointer to the bucket and key. If the operation can be asynchronous, you could use API Gateway to vend a signed URL for S3 to the client and use S3 notifications to handle the image processing via Lambda after the upload is completed.

EXPERT
answered 6 years ago

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