> ## Documentation Index > Fetch the complete documentation index at: https://docs.rhinestone.dev/llms.txt > Use this file to discover all available pages before exploring further. # Supported chains and tokens > Get supported chains and tokens with additional metadata ## OpenAPI ````yaml https://raw.githubusercontent.com/rhinestonewtf/openapi/refs/heads/main/orchestrator/caucasus.json get /chains openapi: 3.0.0 info: title: Rhinestone Orchestrator API version: 2026-09.caucasus servers: - url: https://v1.orchestrator.rhinestone.dev security: [] paths: /chains: get: tags: - Utilities summary: Supported chains and tokens description: Get supported chains and tokens with additional metadata operationId: listChains parameters: - name: x-api-version in: header required: true schema: type: string enum: - 2026-09.caucasus description: API version. Required; pinned to this document. responses: '200': description: OK content: application/json: schema: type: object additionalProperties: type: object properties: name: type: string description: The name of the chain example: Arbitrum One testnet: type: boolean supportedTokens: anyOf: - type: string enum: - all - type: array items: type: object properties: symbol: type: string address: type: string minLength: 1 description: >- Token contract address (format depends on the chain) decimals: type: number required: - symbol - address - decimals wrappedNativeToken: type: object properties: symbol: type: string address: type: string minLength: 1 description: Token contract address (format depends on the chain) decimals: type: number required: - symbol - address - decimals description: >- The wrapped-native token (e.g. WETH) for the chain. Lets clients resolve the wrapped-native address without bundling a token registry. nativeToken: type: object properties: symbol: type: string address: type: string minLength: 1 description: Token contract address (format depends on the chain) decimals: type: number required: - symbol - address - decimals description: >- The chain's gas asset. Lets a client name a native-value transfer without assuming ETH — a wallet on a non-ETH chain would otherwise label AVAX or BNB as ETH in every review and receipt. explorer: type: object properties: url: type: string example: https://basescan.org addressPath: type: string example: /address/ txPath: type: string example: /tx/ required: - url - addressPath - txPath nullable: true description: >- Block explorer, or null for a chain that has none. Lets a client link a transaction on a chain it was never compiled against, instead of bundling a per-chain URL table. settlement: type: object properties: cctp: type: object properties: domain: type: number tokenMessenger: type: string usdc: type: string required: - domain - tokenMessenger - usdc oft: type: object properties: adapter: type: string eid: type: number token: type: string required: - adapter - eid - token eco: type: object properties: portal: type: string provers: type: array items: type: string stablecoins: type: array items: type: string required: - portal - provers - stablecoins lz: type: object properties: multiCall: type: string transferDelegate: type: string stargateUsdc: type: object properties: pool: type: string token: type: string eid: type: number required: - pool - token - eid cctp: type: object properties: domain: type: number token: type: string feeReceiver: type: string feeless: type: boolean enum: - true required: - domain - token - feeReceiver required: - multiCall - transferDelegate swapper: type: object properties: swapper: type: string proxy: type: string required: - swapper - proxy fees: type: object properties: appFeeCollector: type: string paymaster: type: string required: - appFeeCollector - paymaster usdStablecoins: type: array items: type: object properties: address: type: string symbol: type: string decimals: type: number required: - address - symbol - decimals description: >- The USD stablecoins (6 or 18 decimals) a session stable-swap floor treats as 1:1. description: >- What an SDK session pins on this chain: the contracts each settlement layer calls, and the USD stablecoins a stable-swap floor treats as 1:1. A layer appears only when every address it needs is known. Absent when the chain has none of these. required: - name - testnet - supportedTokens - wrappedNativeToken - nativeToken - explorer description: Supported chains and tokens, keyed by CAIP-2 chain id '400': description: Validation error content: application/json: schema: discriminator: propertyName: code oneOf: - type: object properties: code: type: string enum: - VALIDATION_ERROR message: type: string description: Human-readable error message example: Invalid input details: type: array items: type: object properties: message: type: string description: Human-readable issue description context: type: object additionalProperties: {} description: >- Structured issue context (e.g. `{ path: "destination.chainId" }`) required: - message description: Per-field validation issues required: - code - message - type: object properties: code: type: string enum: - SIMULATION_FAILED message: type: string description: Human-readable error message example: Invalid input details: type: object properties: nonce: type: string category: type: string errorSelector: type: string errorName: type: string errorArgs: type: object additionalProperties: type: string retryable: type: boolean retryHint: type: string enum: - RE_PREPARE - RETRY_LATER simulations: {} required: - category - errorSelector - errorName - retryable additionalProperties: true description: Classified on-chain simulation failure details required: - code - message - type: object properties: code: type: string enum: - INSUFFICIENT_LIQUIDITY message: type: string description: Human-readable error message example: Invalid input details: type: object properties: availableIntents: type: array items: type: object additionalProperties: type: string description: Intents fillable with current liquidity unfillable: type: object additionalProperties: type: string description: Token amounts that cannot be filled required: - availableIntents - unfillable description: Fillable subset and unfillable remainder required: - code - message - type: object properties: code: type: string enum: - KEY_SCOPE_DENIED message: type: string description: Human-readable error message example: Invalid input details: type: array items: type: object properties: message: type: string context: type: object properties: scope: type: string enum: - allowMainnet - intents - deposits description: Which scope rejected the request required: description: Minimum level the endpoint demands anyOf: - type: boolean - type: string enum: - read - write actual: description: Level resolved on the key anyOf: - type: boolean - type: string enum: - none - read - write required: - scope - required - actual required: - message - context description: Single-element list describing the failing scope required: - code - message - type: object properties: code: type: string enum: - NOT_FOUND - UNAUTHORIZED - FORBIDDEN - SPONSORSHIP_BINDING_MISMATCH - SPONSORSHIP_BINDING_UNSUPPORTED - QUOTE_AUTHORIZATION_MISSING - QUOTE_OWNER_MISMATCH - QUOTE_AUTHORIZATION_EXPIRED - SPONSORSHIP_AUTHORIZATION_USED - CONFLICT - WITHDRAWAL_IN_PROGRESS - UNPROCESSABLE_CONTENT - TOO_MANY_REQUESTS - SETTLEMENT_QUOTE_ERROR - SETTLEMENT_EXECUTION_ERROR - EXTERNAL_SERVICE_TIMEOUT - RELAYER_MARKET_UNAVAILABLE - SERVICE_PAUSED - INTERNAL_ERROR description: Machine-readable error code message: type: string description: Human-readable error message example: Invalid input details: type: array items: type: object properties: message: type: string description: Error message context: type: object additionalProperties: {} description: >- Structured context. A planning refusal names its reason in `context.code` (e.g. `NO_PLAN_AVAILABLE`). required: - message description: The error and its structured context required: - code - message security: [] ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.