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Exchange Rates API connector details
The Exchange Rates API connector captures daily currency exchange rate data from the Exchange Rates API into Estuary Flow collections, enabling historical and continuous tracking of foreign exchange values.
- Daily exchange rate ingestion: Retrieves daily exchange rate data across multiple supported currencies, starting from a specified date.
- Incremental sync: Automatically captures only new daily rates, keeping your collection updated without reloading previous data.
- Configurable base currency: Supports setting a custom base currency (default EUR) depending on your API plan.
- Weekend filtering: Includes an option to skip weekends, as financial markets are typically closed.
- Lightweight and easy to use: Ideal for educational, testing, or demo environments, offering a simple example of API-based ingestion.
💡 Tip: Free-tier API keys from the Exchange Rates API only support EUR as the base currency. Upgrade your plan to capture rates relative to other base currencies.


HIGH THROUGHPUT
Distributed event-driven architecture enable boundless scaling with exactly-once semantics.

DURABLE REPLICATION
Cloud storage backed CDC w/ heart beats ensures reliability, even if your destination is down.

REAL-TIME INGESTION
Capture and relay every insert, update, and delete in milliseconds.
Real-timehigh throughput
Point a connector and replicate changes from Exchange Rates API in <100ms. Leverage high-availability, high-throughput Change Data Capture.Or choose from 100s of batch and real-time connectors to move and transform data using ELT and ETL.
- Ensure your Exchange Rates API insights always reflect the latest data by connecting your databases to Exchange Rates API with change data capture.
- Or connect critical SaaS apps to Exchange Rates API with real-time data pipelines.
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Pipelines as fast as Kafka, easy as managed ELT/ETL, cheaper than building it.
Feature Comparison
| Estuary | Batch ELT/ETL | DIY Python | KAFKA | |
|---|---|---|---|---|
| Price | $ | $$-$$$$ | $-$$$$ | $-$$$$ |
| Speed | <100ms | 5min+ | Varies | <100ms |
| Ease | Analysts can manage | Analysts can manage | Data Engineer | Senior Data Engineer |
| Scale |

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