# Finenex API

## Finenex API

- [Authentication API](https://docs.finenex.net/authentication-apis.md): This document explains how to use Authentication APIs. Authentication APIs use HTTP POST protocol and send and receive messages in JSON format.
- [Chain API](https://docs.finenex.net/chain-api.md): This document explains how to use Chain APIs. Chain APIs supports onchain networks ethereum, optimism, and bnb and opBNB.
- [Smart Account](https://docs.finenex.net/chain-api/smart-account.md)
- [API References](https://docs.finenex.net/chain-api/api-references.md): APIs related to besu network, token and nft.
- [Net](https://docs.finenex.net/chain-api/api-references/net.md): Chain base coin (ETH, BNB) APIs
- [ERC20 Token](https://docs.finenex.net/chain-api/api-references/erc20-token.md): Token ERC20 APIs.
- [ERC721 Token](https://docs.finenex.net/chain-api/api-references/erc721-token.md): Token ERC721 APIs.
- [ERC1155 Token](https://docs.finenex.net/chain-api/api-references/erc1155-token.md): Token ERC1155 APIs.
- [Smart Account](https://docs.finenex.net/chain-api/api-references/smart-account.md)
- [Chain Application API](https://docs.finenex.net/application-apis.md)
- [ServerWallet API](https://docs.finenex.net/application-apis/account.md): ServerWallet APIs support HTTP protocol.  It uses /wallet path.
- [Payment API](https://docs.finenex.net/application-apis/payment-apis.md): Payment APIs offers an easily applicable blockchain-based reward and payment feature through its console and API.
- [Payment (gRPC)](https://docs.finenex.net/application-apis/payment-apis/payment-grpc.md)
- [Points (REST)](https://docs.finenex.net/application-apis/payment-apis/points-rest.md)
- [IPFS API](https://docs.finenex.net/application-apis/ipfs-apis.md): We provide private IFPS services. You can use the private IPFS service by referring to this document.
- [API References](https://docs.finenex.net/application-apis/ipfs-apis/api-references.md): Private IPFS for NFT
- [Chain API Errors](https://docs.finenex.net/api-errors.md): Describes error codes returned by token APIs and block APIs.


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