# Tachyon

Ultra-low latency transaction relaying and execution infrastructure.

- [Core Concepts](https://docs.rath.fi/llms/page/tachyon--core-concepts/page.txt)
- [Error Codes](https://docs.rath.fi/llms/page/tachyon--error-codes/page.txt): Complete reference guide for API error codes and their meanings
- [Authenticated Transaction Feature](https://docs.rath.fi/llms/page/tachyon--features--authenticated-tx/page.txt): Enable cross-chain transaction signing using NEAR Protocol's Chain Signatures technology with Tachyon's authenticated transaction feature.
- [Batch Transactions](https://docs.rath.fi/llms/page/tachyon--features--batch_transactions/page.txt): Combine multiple transaction calls into a single on-chain transaction using Tachyon's multicall feature to reduce gas costs and ensure atomic execution.
- [EIP-7702 Authorization](https://docs.rath.fi/llms/page/tachyon--features--eip-7702/page.txt): Enable account abstraction and smart account capabilities using EIP-7702 authorization lists with Tachyon's transaction relay.
- [Flashblocks](https://docs.rath.fi/llms/page/tachyon--features--flashblocks/page.txt): Ultra-fast transaction execution with sub-50ms latency on Flash-Blocks supported chains using Tachyon's flashblocks feature.
- [Non-Custodial Transactions](https://docs.rath.fi/llms/page/tachyon--features--non-custodial-tx/page.txt): Execute non-custodial transactions on Tachyon using quote and submit-signed-tx endpoints with NEAR Chain Signatures for accurate cost estimates and secure execution.
- [Smart Contract Call](https://docs.rath.fi/llms/page/tachyon--how-to-guides--contract-call/page.txt): Learn how to interact with smart contracts using the Tachyon relay API and SDK across multiple chain types.
- [Register Notifier](https://docs.rath.fi/llms/page/tachyon--how-to-guides--register-notifier/page.txt): Step-by-step guide to register a notifier in Tachyon dashboard to receive transaction updates and notifications.
- [Register Webhook](https://docs.rath.fi/llms/page/tachyon--how-to-guides--register-webhook/page.txt): Step-by-step guide to register a webhook in Tachyon dashboard to receive transaction updates, balance alerts, and circuit breaker events.
- [Register WebSocket](https://docs.rath.fi/llms/page/tachyon--how-to-guides--register-websocket/page.txt): Step-by-step guide to register a WebSocket in Tachyon dashboard for real-time transaction updates, balance alerts, and circuit breaker events.
- [Relay Transactions](https://docs.rath.fi/llms/page/tachyon--how-to-guides--relay-tx/page.txt): Learn how to submit and track relay transactions using the Tachyon SDK across multiple blockchain networks.
- [Overview](https://docs.rath.fi/llms/page/tachyon--introduction-overview/page.txt)
- [Quickstart Guide](https://docs.rath.fi/llms/page/tachyon--quickstart/page.txt): Get started with the Tachyon SDK and API to relay transactions across multiple blockchain networks.
- [Supported Networks](https://docs.rath.fi/llms/page/tachyon--supported-networks/page.txt): A list of all blockchain networks supported by Tachyon.
- [Get Account Info](https://docs.rath.fi/llms/page/tachyon--tachyon-api--check-account-info/page.txt): Retrieve account information for a specific address
- [Connect to WebSocket](https://docs.rath.fi/llms/page/tachyon--tachyon-api--connect-websocket/page.txt): Establish a WebSocket connection to receive real-time transaction notifications
- [Get Supported Chains](https://docs.rath.fi/llms/page/tachyon--tachyon-api--get-supported-chains/page.txt): Retrieve a list of all blockchain networks supported by the Tachyon relay service
- [Register Webhooks](https://docs.rath.fi/llms/page/tachyon--tachyon-api--reg-webhook/page.txt): API reference for registering webhook endpoints to receive real-time notifications about transaction events and status updates.
- [Register WebSocket](https://docs.rath.fi/llms/page/tachyon--tachyon-api--reg-websocket/page.txt): Register a WebSocket connection to receive real-time transaction status updates
- [Get Relay Status](https://docs.rath.fi/llms/page/tachyon--tachyon-api--relay_status/page.txt): Retrieve the current status and details of a submitted relay transaction
- [Relay Transaction](https://docs.rath.fi/llms/page/tachyon--tachyon-api--relay-tx/page.txt): Submit a transaction to the Tachyon relay network for execution across multiple blockchain networks
- [Submit Signed Transaction API](https://docs.rath.fi/llms/page/tachyon--tachyon-api--relay-tx-signed/page.txt): API endpoint for submitting pre-signed transactions with automatic funding.
- [Relay Transaction Sync](https://docs.rath.fi/llms/page/tachyon--tachyon-api--relay-tx-sync/page.txt): Submit a transaction and wait for a terminal status or timeout across multiple blockchain networks
- [Get Transaction Quote](https://docs.rath.fi/llms/page/tachyon--tachyon-api--tx-quote/page.txt): Get an estimate of the fee required to relay a transaction before submitting it across multiple blockchain networks
- [Quickstart](https://docs.rath.fi/llms/page/tachyon--tachyon-sdk/page.txt): Get started with the Tachyon SDK in minutes
- [Check Account Info](https://docs.rath.fi/llms/page/tachyon--tachyon-sdk--check-account-info/page.txt): SDK method to retrieve account information for a wallet address including balances and account details.
- [Connect WebSocket](https://docs.rath.fi/llms/page/tachyon--tachyon-sdk--connect-websocket/page.txt): SDK method to establish a WebSocket connection to Tachyon for real-time transaction updates and notifications.
- [Get Supported Chains](https://docs.rath.fi/llms/page/tachyon--tachyon-sdk--get-supported-chains/page.txt): SDK method to retrieve a list of all blockchain networks supported by Tachyon.
- [Get Version](https://docs.rath.fi/llms/page/tachyon--tachyon-sdk--get-version/page.txt): SDK method to retrieve the current version of the Tachyon SDK.
- [Is Chain Supported](https://docs.rath.fi/llms/page/tachyon--tachyon-sdk--is-chain-supported/page.txt): SDK method to check whether a specific blockchain network is supported by Tachyon.
- [Register Webhooks](https://docs.rath.fi/llms/page/tachyon--tachyon-sdk--reg-webhook/page.txt): SDK method to register webhook endpoints for receiving real-time notifications about transaction events and status updates.
- [Register WebSocket](https://docs.rath.fi/llms/page/tachyon--tachyon-sdk--reg-websocket/page.txt): SDK method to register a WebSocket connection and retrieve connection details for real-time communication with Tachyon.
- [Get Relay Status](https://docs.rath.fi/llms/page/tachyon--tachyon-sdk--relay_status/page.txt): SDK method to retrieve the current status and details of a submitted transaction.
- [Relay Transactions](https://docs.rath.fi/llms/page/tachyon--tachyon-sdk--relay-tx/page.txt): Learn how to submit and track relay transactions using the Tachyon SDK across multiple blockchain networks.
- [Relay Signed Transactions](https://docs.rath.fi/llms/page/tachyon--tachyon-sdk--relay-tx-signed/page.txt): Learn how to submit pre-signed transactions with automatic funding using the Tachyon SDK.
- [Relay Transactions - Sync](https://docs.rath.fi/llms/page/tachyon--tachyon-sdk--relay-tx-sync/page.txt): Submit a transaction and wait for a terminal status or timeout using the Tachyon SDK.
- [Estimate Transaction Fee (Quote)](https://docs.rath.fi/llms/page/tachyon--tachyon-sdk--tx-quote/page.txt): Get an estimate of the fee required to relay a transaction before submitting it across multiple blockchain networks.
- [Types and Enums](https://docs.rath.fi/llms/page/tachyon--tachyon-sdk--types/page.txt): TypeScript types, interfaces, and enums used throughout the Tachyon SDK.
- [Wait For Execution Hash](https://docs.rath.fi/llms/page/tachyon--tachyon-sdk--wait-exec-hash/page.txt): SDK method to poll for transaction execution and wait until the transaction is complete or times out.
- [EIP-7702 with Account Abstraction](https://docs.rath.fi/llms/page/tachyon--use-cases--eip7702-account-abstraction/page.txt): Learn how to execute ERC-4337 UserOperations through an EIP-7702 delegated EOA using Tachyon.
- [Token Swap with Permit API](https://docs.rath.fi/llms/page/tachyon--use-cases--swap-using-custodial/page.txt): Perform token swaps using custodial wallets by leveraging EIP-712 signatures and ERC-20 permit functionality.
- [Why Tachyon?](https://docs.rath.fi/llms/page/tachyon--why-tachyon/page.txt): Learn why Tachyon is the optimal choice for high-performance dApps with blazing-fast transactions, unified multi-VM development and battle-tested reliability.