Category: Guides
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Cognito AdminCreateUser With AWS SDK v3: Create Users From Code
Create Cognito user pool users from TypeScript: invite or silent flows, permanent passwords, groups, re-runnable imports, IAM policy and common errors.
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Invoke Amazon Bedrock Models With AWS SDK v3 (Converse API)
Converse, ConverseStream and InvokeModel in TypeScript with AWS SDK v3: model IDs vs inference profiles, model access, least-privilege IAM and throttling.
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Write to Kinesis Data Streams With AWS SDK v3 (PutRecords)
PutRecord and PutRecords in TypeScript: batching limits, partition keys and hot shards, FailedRecordCount retries, and on-demand vs provisioned costs.
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Run an Athena Query With AWS SDK v3 and Read the Results
A typed Athena helper for Node.js: start a parameterized query, poll with backoff, page through results without the header row and estimate the scan…
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Copy and Move S3 Objects With AWS SDK v3
CopyObjectCommand in TypeScript: CopySource encoding, metadata and storage class, UploadPartCopy above 5 GB, move as copy plus delete, and bulk copies.
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Start a Step Functions Execution With AWS SDK v3
StartExecution and StartSyncExecution in TypeScript, with idempotent names, DescribeExecution polling, failure details from the history and least-privilege IAM.
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DynamoDB Update Item With AWS SDK v3: Conditions and Counters
UpdateCommand in TypeScript: update expressions, conditions and ConditionalCheckFailedException, atomic counters, version-based locking, ReturnValues and TransactWrite.
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Publish CloudWatch Custom Metrics With AWS SDK v3 PutMetricData
PutMetricDataCommand end to end in TypeScript: buffering, Values/Counts batches, dimensions that don’t explode your bill, EMF for Lambda, alarms, IAM and limits.
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Send Events to EventBridge With AWS SDK v3 (PutEvents)
PutEventsCommand end to end in TypeScript: building entries, batching by count and size, retrying partial failures, testing rule patterns, IAM and limits.
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Send Email With Amazon SES and AWS SDK v3 in TypeScript
SESv2 SendEmailCommand end to end in TypeScript: simple messages with attachments, stored templates, raw MIME, configuration sets, IAM, quotas and errors.
