> ## Documentation Index > Fetch the complete documentation index at: https://docs.spritz.finance/llms.txt > Use this file to discover all available pages before exploring further. # Provision embedded wallet > Provisions a new embedded wallet for the authenticated user from a passkey challenge. Returns 409 if a wallet already exists. ## OpenAPI ````yaml https://platform.spritz.finance/openapi.json post /v1/wallet-kit/ openapi: 3.0.3 info: title: Spritz Finance API version: 1.0.0 description: API for the Spritz Finance platform with RFC 9457 error handling servers: - url: https://platform.spritz.finance description: Production - url: https://sandbox.spritz.finance description: Sandbox security: [] tags: - name: Users description: User management endpoints - name: Bank Accounts description: Manage bank accounts for off-ramp destinations - name: Bills description: Manage bill pay accounts - name: Cards description: Spritz-issued debit cards - name: Auto-Ramp Accounts description: Virtual bank accounts that automatically convert fiat deposits to crypto - name: Spritz App description: >- Endpoints used by the Spritz app and internal SDKs. Excluded from the public partner spec. paths: /v1/wallet-kit/: post: tags: - Wallet Kit summary: Provision embedded wallet description: >- Provisions a new embedded wallet for the authenticated user from a passkey challenge. Returns 409 if a wallet already exists. operationId: postV1Wallet-kit requestBody: description: Request body for provisioning an embedded wallet. required: true content: application/json: schema: description: Request body for provisioning an embedded wallet. type: object properties: challenge: minLength: 1 description: >- Passkey/WebAuthn challenge produced by the client SDK. Forwarded directly to Turnkey to bind the user's authenticator to the new sub-organization. type: string required: - challenge application/x-www-form-urlencoded: schema: description: Request body for provisioning an embedded wallet. type: object properties: challenge: minLength: 1 description: >- Passkey/WebAuthn challenge produced by the client SDK. Forwarded directly to Turnkey to bind the user's authenticator to the new sub-organization. type: string required: - challenge multipart/form-data: schema: description: Request body for provisioning an embedded wallet. type: object properties: challenge: minLength: 1 description: >- Passkey/WebAuthn challenge produced by the client SDK. Forwarded directly to Turnkey to bind the user's authenticator to the new sub-organization. type: string required: - challenge responses: '201': description: >- Wallet status envelope for an active (provisioned) wallet. The only response shape returned by POST /v1/wallet-kit. content: application/json: schema: description: >- Wallet status envelope for an active (provisioned) wallet. The only response shape returned by POST /v1/wallet-kit. type: object properties: status: description: An embedded wallet has been provisioned for this user. type: string enum: - active data: description: >- An embedded wallet for the authenticated user. Backed by a Turnkey sub-organization that holds the user's keys. type: object properties: id: description: >- Stable wallet identifier. Pass this as the organization id when calling the Turnkey SDK. type: string example: 8b3f7e2a-7c5e-4a3a-8a8a-2c5e8a8a2c5e userId: description: >- Wallet user identifier. Pass this as the user id when calling the Turnkey SDK. type: string example: e3a2c5e8-4a3a-7c5e-8a8a-2c5e8a8a2c5e createdAt: description: Timestamp when the wallet was provisioned (ISO 8601) format: date-time type: string example: '2025-01-15T10:30:00.000Z' required: - id - userId - createdAt required: - status - data '401': description: Response for status 401 content: application/json: schema: type: object properties: type: default: about:blank description: A URI reference that identifies the problem type type: string example: urn:problem-type:auth:unauthorized title: description: A short, human-readable summary of the problem type type: string example: Unauthorized status: description: The HTTP status code type: number example: 401 detail: description: A human-readable explanation specific to this occurrence type: string example: Bearer token required instance: description: A URI reference that identifies the specific occurrence type: string realm: description: The authentication realm type: string example: API scope: description: The required scope for this resource type: string example: read:users required: - title - status additionalProperties: false '409': description: Response for status 409 content: application/json: schema: type: object properties: type: default: about:blank description: A URI reference that identifies the problem type type: string example: urn:problem-type:auth:unauthorized title: description: A short, human-readable summary of the problem type type: string example: Unauthorized status: description: The HTTP status code type: number example: 400 detail: description: A human-readable explanation specific to this occurrence type: string instance: description: A URI reference that identifies the specific occurrence type: string example: /errors/1234567890 code: description: >- Machine-readable cause, present when exactly one thing failed. Branch on this, never on `detail`, which is human-facing copy and may change. For deposit limits the vocabulary matches the `reason` values the limits API returns pre-flight. type: string example: transaction_limit field: description: The offending request field, present alongside `code`. type: string example: amountUsd retryable: description: >- Whether retrying the same request later may succeed without changing its inputs. type: boolean example: true required: - title - status additionalProperties: false '500': description: Response for status 500 content: application/json: schema: type: object properties: type: default: about:blank description: A URI reference that identifies the problem type type: string example: urn:problem-type:auth:unauthorized title: description: A short, human-readable summary of the problem type type: string example: Unauthorized status: description: The HTTP status code type: number example: 400 detail: description: A human-readable explanation specific to this occurrence type: string instance: description: A URI reference that identifies the specific occurrence type: string example: /errors/1234567890 code: description: >- Machine-readable cause, present when exactly one thing failed. Branch on this, never on `detail`, which is human-facing copy and may change. For deposit limits the vocabulary matches the `reason` values the limits API returns pre-flight. type: string example: transaction_limit field: description: The offending request field, present alongside `code`. type: string example: amountUsd retryable: description: >- Whether retrying the same request later may succeed without changing its inputs. type: boolean example: true required: - title - status additionalProperties: false security: - bearerAuth: [] components: securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: JWT description: Cognito JWT token for regular user authentication ````