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title: API Reference
slug: signum/api-reference
docTags: 
createdAt: 2022-08-30T21:22:30.000Z
---

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The API Reference is an [automatically generated documentation](https://signum-network.github.io/signumjs/globals.html), and though very technical. It serves as a detailed implementation reference for developers who are already familiar with SignumJS.
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The [Core Module](docId\:D5ozZFZwnPOYaXjK854O9)  provides a comfortable wrapper to the Node HTTP API  to interact with the blockchain.
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The [](https://signum-network.github.io/signumjs/modules/util.html)[Util Module](docId\:LnQgckbaeW22BCPR_LkO_) offers a lot of comfort functions for mostly all conversions, like Signa to Planck, Strings to Hex etc
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The [](https://signum-network.github.io/signumjs/modules/crypto.html)[Crypto Module](docId\:DoH84qh7bi5exXQdFprV-) contains all cryptographic functionality that is used in Signum.
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The [](https://signum-network.github.io/signumjs/modules/contracts.html)[Contracts Module](docId\:uO92OephIQ54C2Vi91okD) provides all functions needed to interact with Smart Contracts.
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The [Wallets Module](docId\:RIHpPFDoFqP27s9ImFu88) is for interaction with the wallet applications, i.e. Phoenix, XT and more
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The [Http Module](docId\:IitaCfK9K4RH4Fp3RCLlW) is a tiny module for simplified HTTP requests.
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