Stytch B2B Authentication API

openapi: 3.1.0
info:
  title: Stytch B2B Authentication API
  description: >-
    Stytch's B2B API provides authentication and user management for organization-based applications.
    Supports multi-tenancy with Organizations and Members, SSO (SAML/OIDC), magic links, OTP,
    OAuth, and organization discovery.
  version: "1.0.0"
  contact:
    name: Stytch Support
    url: https://stytch.com/docs/b2b
  termsOfService: https://stytch.com/terms
servers:
  - url: https://test.stytch.com/v1/b2b
    description: Test environment
  - url: https://api.stytch.com/v1/b2b
    description: Production environment

security:
  - basicAuth: []

tags:
  - name: Organizations
    description: Manage B2B organizations (tenants)
  - name: Members
    description: Manage organization members
  - name: Magic Links
    description: Email magic link authentication for B2B
  - name: OTP
    description: One-time passcode authentication
  - name: SSO
    description: SAML and OIDC single sign-on
  - name: Sessions
    description: B2B session management
  - name: Discovery
    description: Organization discovery and login flow

paths:
  /organizations:
    post:
      operationId: createOrganization
      summary: Create Organization
      description: Create a new B2B organization (tenant).
      tags:
        - Organizations
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - organization_name
              properties:
                organization_name:
                  type: string
                  description: Display name of the organization
                organization_slug:
                  type: string
                  description: URL-safe identifier for the organization
                allowed_domains:
                  type: array
                  items:
                    type: string
                  description: Domains allowed to join this organization
                sso_jit_provisioning:
                  type: string
                  enum: [ALL_ALLOWED, RESTRICTED, NOT_ALLOWED]
      responses:
        '200':
          description: Organization created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OrganizationResponse'
        '400':
          description: Bad request

  /organizations/{organization_id}:
    get:
      operationId: getOrganization
      summary: Get Organization
      description: Retrieve an organization by ID.
      tags:
        - Organizations
      parameters:
        - name: organization_id
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Organization found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OrganizationResponse'
        '404':
          description: Organization not found
    put:
      operationId: updateOrganization
      summary: Update Organization
      description: Update an organization's settings.
      tags:
        - Organizations
      parameters:
        - name: organization_id
          in: path
          required: true
          schema:
            type: string
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                organization_name:
                  type: string
                allowed_domains:
                  type: array
                  items:
                    type: string
                sso_jit_provisioning:
                  type: string
      responses:
        '200':
          description: Organization updated
    delete:
      operationId: deleteOrganization
      summary: Delete Organization
      description: Delete an organization and all its members.
      tags:
        - Organizations
      parameters:
        - name: organization_id
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Organization deleted

  /organizations/{organization_id}/members:
    get:
      operationId: listMembers
      summary: List Members
      description: List all members of an organization.
      tags:
        - Members
      parameters:
        - name: organization_id
          in: path
          required: true
          schema:
            type: string
        - name: limit
          in: query
          schema:
            type: integer
        - name: cursor
          in: query
          schema:
            type: string
      responses:
        '200':
          description: Members list
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ListMembersResponse'
    post:
      operationId: createMember
      summary: Create Member
      description: Create a new member in an organization.
      tags:
        - Members
      parameters:
        - name: organization_id
          in: path
          required: true
          schema:
            type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - email_address
              properties:
                email_address:
                  type: string
                  format: email
                name:
                  type: string
                trusted_metadata:
                  type: object
                untrusted_metadata:
                  type: object
      responses:
        '200':
          description: Member created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MemberResponse'

  /organizations/{organization_id}/members/{member_id}:
    get:
      operationId: getMember
      summary: Get Member
      description: Retrieve a member by ID.
      tags:
        - Members
      parameters:
        - name: organization_id
          in: path
          required: true
          schema:
            type: string
        - name: member_id
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Member found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MemberResponse'
    delete:
      operationId: deleteMember
      summary: Delete Member
      description: Delete a member from an organization.
      tags:
        - Members
      parameters:
        - name: organization_id
          in: path
          required: true
          schema:
            type: string
        - name: member_id
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Member deleted

  /magic_links/email/send:
    post:
      operationId: sendB2BMagicLinkByEmail
      summary: Send B2B Magic Link By Email
      description: Send a magic link to a member's email address.
      tags:
        - Magic Links
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - email_address
                - organization_id
              properties:
                email_address:
                  type: string
                  format: email
                organization_id:
                  type: string
                login_redirect_url:
                  type: string
                signup_redirect_url:
                  type: string
                login_expiration_minutes:
                  type: integer
      responses:
        '200':
          description: Magic link sent

  /magic_links/authenticate:
    post:
      operationId: authenticateB2BMagicLink
      summary: Authenticate B2B Magic Link
      description: Authenticate a member using a magic link token.
      tags:
        - Magic Links
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - magic_links_token
              properties:
                magic_links_token:
                  type: string
                session_duration_minutes:
                  type: integer
      responses:
        '200':
          description: Authentication successful
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/B2BAuthenticateResponse'

  /sessions/authenticate:
    post:
      operationId: authenticateB2BSession
      summary: Authenticate B2B Session
      description: Validate and authenticate a B2B session.
      tags:
        - Sessions
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                session_token:
                  type: string
                session_jwt:
                  type: string
                session_duration_minutes:
                  type: integer
      responses:
        '200':
          description: Session valid
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/B2BAuthenticateResponse'

  /sessions/revoke:
    post:
      operationId: revokeB2BSession
      summary: Revoke B2B Session
      description: Revoke an active B2B member session.
      tags:
        - Sessions
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                session_id:
                  type: string
                session_token:
                  type: string
      responses:
        '200':
          description: Session revoked

  /sso/connections:
    get:
      operationId: listSSOConnections
      summary: List SSO Connections
      description: List all SSO connections (SAML and OIDC) for an organization.
      tags:
        - SSO
      parameters:
        - name: organization_id
          in: query
          required: true
          schema:
            type: string
      responses:
        '200':
          description: SSO connections list
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SSOConnectionsResponse'

  /sso/saml:
    post:
      operationId: createSAMLConnection
      summary: Create SAML Connection
      description: Create a new SAML SSO connection for an organization.
      tags:
        - SSO
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - organization_id
              properties:
                organization_id:
                  type: string
                idp_metadata_url:
                  type: string
                  description: URL to the IdP metadata XML
                display_name:
                  type: string
      responses:
        '200':
          description: SAML connection created

  /discovery/organizations:
    post:
      operationId: discoverOrganizations
      summary: Discover Organizations
      description: Discover organizations a user can join or log into based on their email.
      tags:
        - Discovery
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - intermediate_session_token
              properties:
                intermediate_session_token:
                  type: string
                  description: Token from an intermediate authentication step
      responses:
        '200':
          description: Organizations discovered
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DiscoverOrganizationsResponse'

components:
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: "Use your Stytch project_id as username and secret as password"

  schemas:
    Organization:
      type: object
      properties:
        organization_id:
          type: string
          description: Unique organization identifier (prefix: organization-)
        organization_name:
          type: string
        organization_slug:
          type: string
        allowed_domains:
          type: array
          items:
            type: string
        sso_jit_provisioning:
          type: string
        created_at:
          type: string
          format: date-time
        updated_at:
          type: string
          format: date-time

    Member:
      type: object
      properties:
        organization_id:
          type: string
        member_id:
          type: string
        email_address:
          type: string
          format: email
        name:
          type: string
        status:
          type: string
          enum: [active, invited, deleted]
        roles:
          type: array
          items:
            type: string
        trusted_metadata:
          type: object
        untrusted_metadata:
          type: object
        created_at:
          type: string
          format: date-time

    B2BSession:
      type: object
      properties:
        member_session_id:
          type: string
        member_id:
          type: string
        organization_id:
          type: string
        started_at:
          type: string
          format: date-time
        last_accessed_at:
          type: string
          format: date-time
        expires_at:
          type: string
          format: date-time
        authentication_factors:
          type: array
          items:
            type: object

    OrganizationResponse:
      type: object
      properties:
        request_id:
          type: string
        organization:
          $ref: '#/components/schemas/Organization'
        status_code:
          type: integer

    MemberResponse:
      type: object
      properties:
        request_id:
          type: string
        member:
          $ref: '#/components/schemas/Member'
        organization:
          $ref: '#/components/schemas/Organization'
        status_code:
          type: integer

    ListMembersResponse:
      type: object
      properties:
        request_id:
          type: string
        organization:
          $ref: '#/components/schemas/Organization'
        members:
          type: array
          items:
            $ref: '#/components/schemas/Member'
        status_code:
          type: integer

    B2BAuthenticateResponse:
      type: object
      properties:
        request_id:
          type: string
        member_id:
          type: string
        organization_id:
          type: string
        member:
          $ref: '#/components/schemas/Member'
        organization:
          $ref: '#/components/schemas/Organization'
        session_token:
          type: string
        session_jwt:
          type: string
        member_session:
          $ref: '#/components/schemas/B2BSession'
        status_code:
          type: integer

    SSOConnectionsResponse:
      type: object
      properties:
        request_id:
          type: string
        saml_connections:
          type: array
          items:
            type: object
        oidc_connections:
          type: array
          items:
            type: object
        status_code:
          type: integer

    DiscoverOrganizationsResponse:
      type: object
      properties:
        request_id:
          type: string
        email_address:
          type: string
        discovered_organizations:
          type: array
          items:
            type: object
        status_code:
          type: integer