# Moralis Auth API

**Canonical:** https://apis.io/apis/moralis/auth-api/  
**Provider:** Moralis — https://apis.io/providers/moralis/  
**Base URL:** https://authapi.moralis.io  
**Documentation:** https://docs.moralis.com/authentication-api

Moralis Auth API is one of 29 APIs that [Moralis](https://apis.io/providers/moralis/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include REST and Authentication. The published artifact set on APIs.io includes API documentation.

REST API for Sign-In with Ethereum / Solana challenge generation and verification.

## Machine-readable artifacts (1)

- **Documentation** — https://docs.moralis.com/authentication-api

## Other Moralis APIs (12)

- [Moralis Solana API](https://apis.io/apis/moralis/solana-api/)
- [Moralis Streams API](https://apis.io/apis/moralis/streams/)
- [Moralis Datashare](https://apis.io/apis/moralis/datashare/)
- [Moralis Balance API](https://apis.io/apis/moralis/moralis-balance-api/)
- [Moralis Block API](https://apis.io/apis/moralis/moralis-block-api/)
- [Moralis Categories API](https://apis.io/apis/moralis/moralis-categories-api/)
- [Moralis DeFi API](https://apis.io/apis/moralis/moralis-defi-api/)
- [Moralis Discovery API](https://apis.io/apis/moralis/moralis-discovery-api/)
- [Moralis Entities API](https://apis.io/apis/moralis/moralis-entities-api/)
- [Moralis Get Balance API](https://apis.io/apis/moralis/moralis-get-balance-api/)
- [Moralis Get Collections API](https://apis.io/apis/moralis/moralis-get-collections-api/)
- [Moralis Get Floor Price API](https://apis.io/apis/moralis/moralis-get-floor-price-api/)

## Tags

REST, Authentication

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/moralis/auth-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/moralis/.