Linking AWS Budgets as a source

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Alpha release

This source is currently in alpha. The interface and available tables may change.

The AWS Budgets connector syncs budgets, budget performance history, notifications, and more into the PostHog data warehouse, so you can analyze them alongside your product data.

Prerequisites

Credentials that can read the data you want to sync. PostHog only reads data, so read access is enough.

Adding a data source

  1. In PostHog, go to the Sources tab of the data pipeline section.
  2. Click + New source and click Link next to this source.
  3. Enter your credentials (see Configuration below) and click Next.
  4. Select the tables you want to sync, choose a sync method and frequency, then click Import.

Once the syncs are complete, you can start querying this data in PostHog.

Sync your AWS budgets, their spend history, and their alert thresholds.

Create an IAM user or role with the budgets:DescribeBudgets, budgets:DescribeBudgetPerformanceHistory and budgets:DescribeNotificationsForBudget permissions, then paste its access key ID and secret access key. Add a session token too if you are using temporary credentials.

AWS Budgets is a global service, so there is no region to pick. PostHog looks up which account the credentials belong to and reads that account's budgets.

You'll be asked for:

  • AWS access key ID: for example AKIA....
  • AWS secret access key

Sync modes

Each table can be synced in one of several modes, depending on what the source supports:

  • Webhook (when available) – the source pushes changes to PostHog in real time. Fastest freshness, lowest ongoing cost, and the only mode that reliably captures updates and deletes.
  • Incremental – only new or updated rows are synced on each run, using a cursor field (such as an updated_at timestamp). Cheaper than a full refresh, but deletes aren't captured.
  • Append only – new rows are appended using a cursor field; existing rows are never updated. Ideal for immutable, append-only tables like event logs.
  • Full refresh – the whole table is reloaded on every sync. Use it when a table has no reliable cursor or when you need deletions reflected.

See sync methods for a full explanation of how each mode works and how to choose between them.

All AWS Budgets tables are full refresh. Each sync replaces the contents of the table.

Configuration

OptionDescription
AWS access key ID
Type: text
Required: True
AWS secret access key
Type: password
Required: True
AWS session token
Type: password
Required: False

Only for temporary credentials. Session tokens expire after a few hours, so scheduled syncs will fail once the token expires. Use a permanent access key (starts with AKIA) for recurring imports.

Supported tables

TableDescriptionSync methodIncremental fieldPrimary key
budgets

Budgets configured on the account, with their limit, actual spend, and forecasted spend.

Full refresh——
budget_performance_history

Budgeted versus actual amounts for each period a budget has covered.

Incremental, Full refreshperiod_start—
notifications

Alert thresholds attached to each budget, and whether they are currently in alarm.

Full refresh——

Troubleshooting

  • If the connection fails with an authorization error, the AWS access key ID is wrong, expired, or has been revoked. Create a new one, then reconnect the source.
  • If a table syncs no rows, the credential may not have access to that data. Check its permissions, then reconnect the source.

If your sync is failing or data looks wrong, see the Data warehouse troubleshooting guide. If that doesn't help, contact support – we're happy to help.

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