> ## Documentation Index > Fetch the complete documentation index at: https://docs.groundtech.co/llms.txt > Use this file to discover all available pages before exploring further. # Create a gVault > Creates an app-specific Ground vault with a performance fee. Creates one gVault for your organization and app. Use the returned ID to check when its contract is ready. ## OpenAPI ````yaml swagger/swagger-combined.yaml POST /v2/gvaults openapi: 3.0.0 info: title: Ground API description: Core API for portfolio wallets, deposits, withdrawals, and webhooks. version: 2.0.0 servers: - url: https://sandbox.groundtech.co - url: https://production.groundtech.co security: - bearerAuth: [] tags: - name: System description: System health and utility endpoints. - name: Sandbox Faucets description: Sandbox-only test token faucets. - name: Portfolio Wallets description: >- Portfolio wallets with strategy allocation, deposits, withdrawals, and yield positions. - name: gVaults description: App-specific Ground vaults with customer access and fee sharing. - name: Webhook Endpoints description: Webhook endpoint management for portfolio wallet notifications. paths: /v2/gvaults: post: tags: - gVaults summary: Create a gVault description: Creates an app-specific Ground vault with a performance fee. operationId: createGVault requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/GVaultCreateRequest' responses: '202': description: Current status for the accepted gVault. content: application/json: schema: $ref: '#/components/schemas/GVaultProvisioning' '400': description: Invalid request or unsupported underlying yield source. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '401': $ref: '#/components/responses/Unauthorized' '409': description: This app already has a gVault with different settings. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '429': $ref: '#/components/responses/TooManyRequests' '503': $ref: '#/components/responses/ServiceUnavailable' components: schemas: GVaultCreateRequest: type: object required: - partnerAppId - vaultId - feeRecipientAddress - performanceFeeBps additionalProperties: false properties: partnerAppId: type: string description: Stable identifier for your app within your Ground organization. maxLength: 128 vaultId: type: string enum: - ground-ustb-vault feeRecipientAddress: type: string description: Wallet that receives performance-fee shares. performanceFeeBps: type: integer minimum: 0 maximum: 9999 description: >- Share of investment gains paid to the fee recipient. For example, 2000 is 20%. example: partnerAppId: your-app-id vaultId: ground-ustb-vault feeRecipientAddress: '0x2222222222222222222222222222222222222222' performanceFeeBps: 2000 GVaultProvisioning: type: object required: - id - status additionalProperties: false properties: id: type: string status: type: string enum: - provisioning - ready - failed example: id: gvault_abababababababababababababababab status: provisioning ErrorResponse: type: object required: - error - code properties: error: type: string description: >- Human-readable error message. May change without notice; do not parse programmatically. code: type: string description: >- Machine-readable error code. Stable across API versions — safe to switch on in client code. enum: - validation_error - unknown_parameters - unsupported_chain - unsupported_token - invalid_destination_address - precision_overflow - invalid_cursor - unauthenticated - forbidden - wallet_not_found - wallet_limit_reached - withdrawal_not_found - deposit_not_found - yield_source_not_found - wallet_projection_unavailable - insufficient_funds - duplicate_request_id - request_id_conflict - invalid_position_weight - invalid_withdrawal_plan - payout_not_found - webhook_not_found - webhook_duplicate_url - withdrawal_not_cancellable - withdrawal_already_cancelled - withdrawal_payout_in_progress - withdrawal_policy_required - workflow_conflict - payout_already_terminal - payout_in_progress - payout_not_retryable - address_book_entry_not_found - address_book_duplicate_entry - address_book_whitelist_violation - rate_limited - rate_limit_exceeded - internal_error - wallet_creation_failed - service_temporarily_unavailable AuthErrorResponse: type: object required: - error properties: error: type: string description: Authentication or authorization error message. message: type: string nullable: true description: Additional auth middleware detail, when present. code: type: string nullable: true enum: - unauthenticated - forbidden description: >- Some auth and scope failures include a stable code; middleware errors may omit it. ServiceUnavailableError: allOf: - $ref: '#/components/schemas/ErrorResponse' - type: object properties: retryable: type: boolean description: Whether the client should retry with the same requestId responses: Unauthorized: description: >- The request is missing a valid bearer token, or the token is invalid or expired. content: application/json: schema: $ref: '#/components/schemas/AuthErrorResponse' example: error: Unauthenticated request message: Missing or invalid bearer token TooManyRequests: description: >- Rate limit exceeded. Limits are enforced by API key/customer identity and by endpoint class. Retry with backoff; rate-limit headers are not currently emitted. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: error: Rate limit exceeded code: rate_limited ServiceUnavailable: description: >- An upstream dependency is temporarily unavailable. The request can be retried with the same `requestId`. content: application/json: schema: $ref: '#/components/schemas/ServiceUnavailableError' example: error: Service temporarily unavailable code: service_temporarily_unavailable retryable: true securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: JWT ````