> ## Documentation Index > Fetch the complete documentation index at: https://docs.delora.build/llms.txt > Use this file to discover all available pages before exploring further. # Get chains > Returns the chains supported by Delora. Use the optional chainTypes query parameter to filter by EVM or SVM networks. ## OpenAPI ````yaml GET /v1/chains openapi: 3.1.1 info: title: Delora API description: Delora API version: 1.0.0 servers: - url: https://api.delora.build security: [] tags: - name: Health description: Service health endpoints. - name: V1 description: Routing and metadata endpoints. - name: Transaction Tracking description: Read-only, integrator-scoped transaction tracking. paths: /v1/chains: get: tags: - V1 summary: List supported chains description: >- Returns the chains supported by Delora. Use the optional chainTypes query parameter to filter by EVM or SVM networks. operationId: getChains parameters: - name: x-api-key in: header description: Optional API key for higher rate limits and fee rules. required: false schema: type: string - name: chainTypes required: false in: query description: 'Comma-separated chain types to include. Supported values: EVM, SVM.' schema: example: EVM,SVM type: string responses: '200': description: Supported chains response. content: application/json: schema: $ref: '#/components/schemas/ChainsResponseDto' examples: success: summary: Supported chains response value: chains: - key: base name: Base chainType: EVM id: 8453 idHex: '0x2105' mainnet: true logoURI: https://example.com/base.png tokenlistUrl: https://tokens.example.com/base.json multicallAddress: '0xcA11bde05977b3631167028862bE2a173976CA11' rpcUrls: - https://mainnet.base.org blockExplorerUrls: https://basescan.org nativeToken: address: '0x0000000000000000000000000000000000000000' decimals: 18 symbol: ETH chainId: 8453 coinKey: ETH name: Ether logoURI: https://example.com/eth.png DeloraDiamond: '0x1111111111111111111111111111111111111111' '400': description: Invalid request parameters. content: application/json: schema: $ref: '#/components/schemas/StandardErrorResponseDto' examples: validationErrors: summary: Validation errors value: statusCode: 400 code: VALIDATION_ERROR message: Invalid request parameters details: message: - senderAddress should not be empty - senderAddress must be a string timestamp: '2026-05-15T16:58:45.603Z' path: /v1/quotes invalidChainTypes: summary: Invalid chainTypes filter value: statusCode: 400 code: VALIDATION_ERROR message: >- Invalid "chainTypes" query parameter. Allowed values: EVM, SVM. details: message: >- Invalid "chainTypes" query parameter. Allowed values: EVM, SVM. timestamp: '2026-05-15T16:58:45.603Z' path: /v1/tokens?chainTypes=aaa '429': description: Rate limit exceeded. content: application/json: schema: $ref: '#/components/schemas/StandardErrorResponseDto' examples: rateLimitExceeded: summary: Rate limit exceeded value: statusCode: 429 code: RATE_LIMIT message: Rate limit exceeded. Please try again later. details: message: Rate limit exceeded. Please try again later. timestamp: '2026-05-15T16:58:45.603Z' path: /v1/quotes components: schemas: ChainsResponseDto: type: object properties: chains: type: array items: $ref: '#/components/schemas/ChainInfoDto' required: - chains StandardErrorResponseDto: type: object properties: statusCode: type: number example: 400 code: enum: - NO_AVAILABLE_QUOTES - AMOUNT_TOO_LOW - WRONG_ADDRESS - RATE_LIMIT - SLIPPAGE_EXCEEDED - ADAPTER_BAD_REQUEST - ADAPTER_UNAUTHORIZED - ADAPTER_INTERNAL - VALIDATION_ERROR - NOT_FOUND - UNKNOWN type: string description: >- Machine-readable Delora error code. - NO_AVAILABLE_QUOTES: No bridge or exchange adapter returned an executable quote for the requested transfer. - AMOUNT_TOO_LOW: The requested input amount is below the minimum supported by the available bridge route. - WRONG_ADDRESS: A wallet address is missing, malformed, or incompatible with the requested chain type. - RATE_LIMIT: The request exceeded the configured rate limit. - SLIPPAGE_EXCEEDED: The expected output amount fell below the route's permitted minimum. - ADAPTER_BAD_REQUEST: An upstream bridge or exchange adapter rejected the request as invalid. - ADAPTER_UNAUTHORIZED: An upstream bridge or exchange adapter rejected the request because credentials are missing or invalid. - ADAPTER_INTERNAL: An upstream bridge or exchange adapter failed with an internal error. - VALIDATION_ERROR: The request failed Delora API validation, including invalid query parameters, body fields, or address formats. - NOT_FOUND: The requested chain, token, or resource was not found. - UNKNOWN: The request failed with an unexpected error that does not map to a more specific code. x-enumDescriptions: - >- No bridge or exchange adapter returned an executable quote for the requested transfer. - >- The requested input amount is below the minimum supported by the available bridge route. - >- A wallet address is missing, malformed, or incompatible with the requested chain type. - The request exceeded the configured rate limit. - >- The expected output amount fell below the route's permitted minimum. - >- An upstream bridge or exchange adapter rejected the request as invalid. - >- An upstream bridge or exchange adapter rejected the request because credentials are missing or invalid. - >- An upstream bridge or exchange adapter failed with an internal error. - >- The request failed Delora API validation, including invalid query parameters, body fields, or address formats. - The requested chain, token, or resource was not found. - >- The request failed with an unexpected error that does not map to a more specific code. example: VALIDATION_ERROR message: type: string example: Invalid request parameters details: description: >- Optional error details. When details is an object, `message` can be either a string or an array of strings. oneOf: - type: object additionalProperties: true properties: message: oneOf: - type: string - type: array items: type: string description: >- Human-readable details. Validation errors may return multiple messages. errorCode: type: string code: oneOf: - type: string - type: number status: oneOf: - type: string - type: number - type: string - type: array items: type: string example: message: - One or more request parameters are invalid. timestamp: type: string example: '2026-05-13T18:00:00.000Z' path: type: string example: /v1/... required: - statusCode - code - message - timestamp ChainInfoDto: type: object properties: key: type: string example: base name: type: string example: Base chainType: type: string enum: - EVM - SVM example: EVM id: type: number example: 8453 idHex: type: string example: '0x2105' mainnet: type: boolean example: true logoURI: type: string example: https://example.com/base.png tokenlistUrl: type: string example: https://tokens.example.com/base.json multicallAddress: type: string example: '0xcA11bde05977b3631167028862bE2a173976CA11' rpcUrls: example: - https://mainnet.base.org type: array items: type: string blockExplorerUrls: type: string example: https://basescan.org nativeToken: $ref: '#/components/schemas/NativeTokenDto' DeloraDiamond: type: string example: '0x1111111111111111111111111111111111111111' required: - key - name - chainType - id - idHex - mainnet - logoURI - rpcUrls - blockExplorerUrls - nativeToken NativeTokenDto: type: object properties: address: type: string example: '0x0000000000000000000000000000000000000000' decimals: type: number example: 18 symbol: type: string example: ETH chainId: type: number example: 8453 coinKey: type: string example: ETH name: type: string example: Ether logoURI: type: string example: https://example.com/eth.png required: - address - decimals - symbol - chainId - coinKey - name - logoURI ````