> ## Documentation Index
> Fetch the complete documentation index at: https://docs.dynamic.xyz/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Build a vault deposit signing payload

> Builds an unsigned deposit signing payload for the given vault and wallet address. When the payload includes an approval step, the SDK signs and sends it before the main transaction.




## OpenAPI

````yaml https://app.dynamic.xyz/api-docs/public-api.yaml post /sdk/{environmentId}/yield/vaults/{vaultId}/deposit
openapi: 3.0.1
info:
  title: Dashboard API
  description: Dashboard API documentation
  version: 1.0.0
servers:
  - url: https://app.dynamicauth.com/api/v0
  - url: https://app.dynamic.xyz/api/v0
  - url: http://localhost:3333/api/v0
security: []
tags:
  - name: Analytics
    description: Query usage analytics and event counts for your environment.
  - name: SDK
    description: SDK-facing endpoints consumed by embedded Dynamic clients.
  - name: Server
    description: Server-side SDK endpoints authenticated by environment API tokens.
  - name: Organizations
    description: >-
      Manage organizations — the top-level container for all environments and
      projects.
  - name: Projects
    description: Manage projects that group related environments under an organization.
  - name: Environments
    description: >-
      Manage environments (live and sandbox) where your authentication
      configuration lives.
  - name: Users
    description: List, search, and manage authenticated users within an environment.
  - name: Invites
    description: >-
      Manage invitation links that grant specific external users access to your
      environment.
  - name: Tokens
    description: >-
      Create and manage API tokens used to authenticate requests to the Dynamic
      API.
  - name: Origins
    description: >-
      Configure allowed origins (CORS) for SDK and API access to your
      environment.
  - name: Allowlists
    description: >-
      Manage allowlists to control which wallet addresses or email addresses can
      access your environment.
  - name: Wallets
    description: View and manage wallets linked to users in your environment.
  - name: Members
    description: Manage team members and their roles within an organization.
  - name: Sessions
    description: View and revoke active user sessions within an environment.
  - name: Settings
    description: Read and update environment-level configuration settings.
  - name: Exchanges
    description: >-
      Configure exchange integrations (Coinbase, Binance, etc.) for fiat on-ramp
      within your environment.
  - name: Providers
    description: >-
      List, enable, disable, and configure authentication providers (OAuth,
      email, wallet, SMS, etc.) for your environment.
  - name: Captcha
    description: >-
      Configure captcha verification (provider, site key, secret key) for your
      environment.
  - name: Gates
    description: >-
      Define access gates that restrict environment entry to users who meet
      specific criteria.
  - name: Chains
    description: >-
      Manage the blockchain networks available for wallet connection in your
      environment.
  - name: Exports
    description: Export user and wallet data from your environment as downloadable files.
  - name: Events
    description: Browse the event log of actions performed within your environment.
  - name: Webhooks
    description: >-
      Create and manage webhooks to receive real-time events (user.created,
      wallet.linked, etc.) at your endpoint.
  - name: Custom Fields
    description: >-
      Define and manage custom metadata fields collected from users at sign-up
      or login.
  - name: MfaSettings
    description: >-
      Configure multi-factor authentication (MFA) policies for your
      organization.
  - name: Mfa
    description: Manage MFA enrollment and verification for individual users.
  - name: CustomHostnames
    description: >-
      Configure custom hostnames for white-labeling the Dynamic authentication
      experience.
  - name: TestAccount
    description: >-
      Manage test accounts used for automated testing and QA within an
      environment.
  - name: NameServices
    description: >-
      Configure name service integrations (ENS, Unstoppable Domains, etc.) for
      human-readable wallet addresses.
  - name: GlobalWallets
    description: >-
      Manage global wallets shared across multiple environments in an
      organization.
  - name: GlobalWalletConnections
    description: Configure which environments can access and use global wallets.
  - name: GlobalWalletAccessControl
    description: Control which users and roles can access and operate global wallets.
  - name: UserApiTokens
    description: >-
      Create and manage user-scoped API tokens for programmatic access on behalf
      of a user.
  - name: Waas
    description: Wallet-as-a-Service endpoints for creating and managing embedded wallets.
  - name: WalletConnect
    description: Configure WalletConnect integration settings for your environment.
  - name: Checkout
    description: >-
      Accept crypto payments and deposits from any wallet. Settle in any token
      you choose.
  - name: Flow
    description: >-
      Accept crypto payments, deposits, and withdrawals. Amount and destination
      are fixed server-side at create; the post-create lifecycle is driven with
      a capability session token.
  - name: FlowAnalytics
    description: >-
      Query aggregated analytics and paginated transaction lists for the Flow
      product.
  - name: Gasless
    description: >-
      Query billing summaries and paginated transaction lists for sponsored
      (gasless) transactions.
  - name: Custom Networks
    description: >-
      Add and manage custom EVM-compatible networks beyond the built-in chain
      list.
  - name: Chainalysis
    description: >-
      Configure Chainalysis integration for blockchain address screening and
      risk assessment.
  - name: Visits
    description: Track and query user visit activity within your environment.
  - name: ExternalJwt
    description: >-
      Configure external JWT providers so existing auth tokens can be used with
      Dynamic.
  - name: SDK Views
    description: >-
      Manage SDK view configurations that customize the appearance of Dynamic
      modals and flows.
  - name: DeeplinkUrls
    description: Configure deep link URLs for mobile app integration with the Dynamic SDK.
  - name: OrganizationSettings
    description: >-
      Read and update organization-level settings such as approval workflow
      configuration.
  - name: AdminActions
    description: >-
      Manage admin action requests that require approval from another
      administrator.
  - name: ClientGrant
    description: |
      OAuth 2.0 Device Authorization Grant flow (RFC 8628) used by first-party
      Dynamic clients (CLI, MCP server, demo apps, IDE plugins) to obtain a
      revocable, 30-day client JWT without ever seeing the user's dashboard
      session token.
  - name: AuthorizedClients
    description: |
      Manage first-party clients (CLI / MCP / demo / IDE plugins) authorized
      to act as a dashboard user. Surfaced under Profile → Authorized Clients.
  - name: Kyb
    description: >-
      Verify a business's identity via AI Prise passthrough and check KYB tier
      status.
paths:
  /sdk/{environmentId}/yield/vaults/{vaultId}/deposit:
    post:
      tags:
        - SDK
      summary: Build a vault deposit signing payload
      description: >
        Builds an unsigned deposit signing payload for the given vault and
        wallet address. When the payload includes an approval step, the SDK
        signs and sends it before the main transaction.
      operationId: yieldVaultDeposit
      parameters:
        - $ref: '#/components/parameters/environmentId'
        - name: vaultId
          in: path
          required: true
          schema:
            type: string
          description: Opaque vault identifier from the Dynamic dashboard.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/YieldVaultActionRequest'
      responses:
        '200':
          description: Deposit signing payload
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/YieldVaultActionResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '403':
          $ref: '#/components/responses/Forbidden'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'
        '502':
          $ref: '#/components/responses/BadGateway'
components:
  parameters:
    environmentId:
      in: path
      name: environmentId
      required: true
      description: ID of the environment
      schema:
        $ref: '#/components/schemas/uuid'
  schemas:
    YieldVaultActionRequest:
      type: object
      description: >-
        Vault action request. `amount` is in the vault asset's human-readable
        units; `receiverAddress` defaults to `ownerAddress`.
      required:
        - ownerAddress
        - amount
      properties:
        ownerAddress:
          $ref: '#/components/schemas/WalletPublicKey'
        amount:
          $ref: '#/components/schemas/NonEmptyAmountString'
        receiverAddress:
          $ref: '#/components/schemas/WalletPublicKey'
    YieldVaultActionResponse:
      type: object
      required:
        - vaultId
        - signingPayload
      properties:
        vaultId:
          type: string
          description: Opaque vault identifier.
        signingPayload:
          $ref: '#/components/schemas/YieldSigningPayload'
    uuid:
      type: string
      pattern: ^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$
      minLength: 36
      maxLength: 36
      example: 95b11417-f18f-457f-8804-68e361f9164f
    WalletPublicKey:
      type: string
      pattern: ^[A-Za-z0-9_-]{18,100}$
      description: >-
        Valid blockchain wallet address, must be an alphanumeric string
        (underscores allowed for chains like Midnight, hyphens allowed for
        chains using base64url-encoded addresses like TON)
      example: '0xbF394748301603f18d953C90F0b087CBEC0E1834'
      maxLength: 255
    NonEmptyAmountString:
      type: string
      pattern: ^(\d+(\.\d+)?|\.\d+)$
      description: Digits with optional decimal part
      example: '100.00'
    YieldSigningPayload:
      type: object
      required:
        - chainId
        - chainName
      properties:
        chainId:
          type: string
          description: Chain identifier for the chain the payload targets.
        chainName:
          $ref: '#/components/schemas/ChainEnum'
        evmTransaction:
          $ref: '#/components/schemas/SwapEvmTransactionData'
        evmApproval:
          $ref: '#/components/schemas/SwapEvmApprovalData'
      description: >-
        Unsigned payload for a vault action. When present, `evmApproval` must be
        signed and sent before `evmTransaction`.
    BadRequest:
      type: object
      properties:
        error:
          description: Human-readable error message
          type: string
    Forbidden:
      type: object
      properties:
        error:
          description: Human-readable error message
          type: string
          example: Access Forbidden
    NotFound:
      type: object
      required:
        - error
        - code
      properties:
        error:
          description: Human-readable error message
          type: string
          example: Not Found
        code:
          description: Machine-readable error code
          type: string
          example: not_found
    InternalServerError:
      type: object
      properties:
        error:
          description: Human-readable error message
          type: string
          example: Internal Server Error
    BadGateway:
      type: object
      properties:
        error:
          description: Human-readable error message
          type: string
          example: Error from Snowflake service
      required:
        - error
    ChainEnum:
      type: string
      enum:
        - ETH
        - EVM
        - FLOW
        - SOL
        - ALGO
        - STARK
        - COSMOS
        - BTC
        - ECLIPSE
        - SUI
        - SPARK
        - TRON
        - APTOS
        - TON
        - STELLAR
        - ALEO
        - TEMPO
        - MIDNIGHT
    SwapEvmTransactionData:
      type: object
      required:
        - to
        - data
        - value
      properties:
        to:
          type: string
          description: Contract address to call
        data:
          type: string
          description: Encoded calldata (hex)
        value:
          type: string
          description: Native asset amount in wei (hex string, "0x0" if token-only)
        gasLimit:
          type: string
          description: Suggested gas limit (hex string)
        gasPrice:
          type: string
          description: Gas price in wei (hex string, legacy transactions)
        maxFeePerGas:
          type: string
          description: Max fee per gas (EIP-1559)
        maxPriorityFeePerGas:
          type: string
          description: Max priority fee per gas (EIP-1559)
        nonce:
          type: integer
          description: Transaction nonce
    SwapEvmApprovalData:
      type: object
      required:
        - tokenAddress
        - spenderAddress
        - amount
      properties:
        tokenAddress:
          type: string
          description: ERC-20 contract to approve
        spenderAddress:
          type: string
          description: Contract that needs the allowance (e.g. LiFi Diamond)
        amount:
          type: string
          description: Amount to approve in token's smallest unit
  responses:
    BadRequest:
      description: Bad Request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/BadRequest'
    Forbidden:
      description: Forbidden
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Forbidden'
    NotFound:
      description: Not Found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/NotFound'
    InternalServerError:
      description: Internal Server Error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/InternalServerError'
    BadGateway:
      description: Bad Gateway
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/BadGateway'

````