Api gateway integration with dynamodb giving 404

Question

I am trying to use apiGateway as proxy to dynamodb but for some reason the integration returns 404.

I have created a patch method resource in apiGateway. and used below data in integration mappingTemplate for testing:

{
    "TableName": "Retool_Output",
    "Item": {
        "customerId": "1234",
        "fav_movies": "Shalini"
    }
}

but when i test this gateway, it does not update dynamodb and give 404 as shown below.

Tue Aug 06 17:03:56 UTC 2019 : Endpoint request body after 
transformations: {
    "TableName": "Retool_Output",
    "Item": {
        "customerId": "1234",
        "fav_movies": "Shalini"
    }
}
Tue Aug 06 17:03:56 UTC 2019 : Sending request to https://dynamodb.ap- 
south-1.amazonaws.com//
Tue Aug 06 17:03:56 UTC 2019 : Received response. Status: 404, Integration 
latency: 13 ms

Can someone suggest me how to resolve this issue.

Are you sure the url path is /? Haven't you configured an extra path like /add-item? — Mojimi
– Mojimi, Commented Aug 6, 2019 at 18:14
Have you deployed your stage? In the aws console there's a button "deploy api". It won't work if you didn't do that. — Mojimi
– Mojimi, Commented Aug 6, 2019 at 18:18
For some reason i am not able to create a stage. The deployment field is giving empty list. — shalini lakshkar
– shalini lakshkar, Commented Aug 6, 2019 at 18:34
Where are you trying to create it? On the console? (website) — Mojimi
– Mojimi, Commented Aug 6, 2019 at 18:39

shalini lakshkar · Accepted Answer · 2019-08-07 18:03:34Z

5

Found the answer to the question. Basically we have to use POST method with action as PutItem for adding an item in dynamodb via apiGateway whereas I was using PUT method.

answered Aug 7, 2019 at 18:03

shalini lakshkar

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2 Comments

cellepo Over a year ago

Yes we must "choose POST for the HTTP method since all DynamoDB Queries are POST": aws.amazon.com/blogs/compute/…

cellepo Over a year ago

You got "404 Not Found" before because there is no non-POST endpoint to be found (for a DynamoDB Query).

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