<p>Yes, have a look at <a href="https://blockfrost.io/" rel="nofollow noreferrer">blockfrost.io</a> an API as a service that allows users to interact with the Cardano blockchain and parts of its ecosystem.</p>

CC BY-SA 4.0
2021-12-30T19:09:08.753Z
Thank you for this
Henrik Moe
CC BY-SA 4.0
2021-12-29T09:13:41.093Z
2022-01-11T06:13:30.120Z
2022-01-11T06:13:30.120Z
Marek Mahut - StakeNuts
<p>Alternatively you can also try a community driven project <a href="https://dandelion.link/" rel="nofollow noreferrer">https://dandelion.link/</a></p>

CC BY-SA 4.0
2021-12-30T19:08:48.870Z
Awesome ill check this one out
Henrik Moe
CC BY-SA 4.0
2021-12-29T09:38:04.760Z
2021-12-29T09:38:04.760Z
Giovanni G
<p>I'm looking for a public API that has idempotent endpoints that can be used to query for transaction data for a given address. Specifically, I'm looking for reward payout data. Does this exist in this ecosystem?</p>
<p>Thank you</p>

<api><proof-of-stake><transaction-metadata>
Is there a publicly available Cardano API with pre-indexed blockchain data?
# Is there a publicly available Cardano API with pre-indexed blockchain data?

(Asked by: username_0 on 2021-12-28)

I'm looking for a public API that has idempotent endpoints that can be used to query for transaction data for a given address. Specifically, I'm looking for reward payout data. Does this exist in this ecosystem?

Thank you

**Tags:** api, proof-of-stake, transaction-metadata

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## 2 answers

### Answer by username_1 on 2021-12-29. Score: 3

Yes, have a look at [blockfrost.io](https://blockfrost.io/) an API as a service that allows users to interact with the Cardano blockchain and parts of its ecosystem.

> **Comments:**
> **username_0**: Thank you for this  

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### Answer by username_2 on 2021-12-29. Score: 2

Alternatively you can also try a community driven project <https://dandelion.link/>

> **Comments:**
> **username_0**: Awesome ill check this one out  

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