Fintecture
Fintecture Organisation Access Credentials API

Beta multi-tenant management API for enterprise customers. Programmatically manage Applications, Bank Accounts, Companies, Organisation Nodes (hierarchical tree), Memberships, and Users in the Fintecture Console. Requires an OAC access token with per-resource read/write scopes.
Fintecture Organisation Access Credentials API is one of 8 APIs that Fintecture publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
This API exposes 5 machine-runnable capabilities that can be deployed as REST, MCP, or Agent Skill surfaces via Naftiko.
Tagged areas include Organisations, Access Control, Beta, Multi-Tenant, and Console Management. The published artifact set on APIs.io includes API documentation, an OpenAPI specification, and 5 Naftiko capability specs.
Documentation GitHub OpenAPI
OpenAPI Specification

openapi: 3.1.0
info:
  title: Fintecture Organisation Access Credentials API
  description: >
    Beta multi-tenant management API. Manages Applications, Bank Accounts,
    Companies, Organisation Nodes (hierarchical tree), Memberships, and Users
    in the Fintecture Console. Requires an OAC (Organisation Access Credentials)
    access token with per-resource read/write scopes. Currently in beta and
    available only to selected clients.
  version: "v1-beta"
  contact:
    name: Fintecture Support
    url: https://fintecture.com/contact

servers:
  - url: https://api.fintecture.com
    description: Production
  - url: https://api-sandbox.fintecture.com
    description: Sandbox

security:
  - BearerAuth: []

tags:
  - name: Applications
  - name: Bank Accounts
  - name: Companies
  - name: Organisation Nodes
  - name: Memberships
  - name: Users

paths:
  /v1/applications:
    get:
      summary: List Applications
      description: List applications linked to companies within the authenticated organisation's subtree. Requires `applications:read`.
      operationId: getApplications
      tags: [Applications]
      parameters:
        - in: query
          name: include
          schema: { type: string, enum: [bank_accounts] }
        - in: query
          name: filter[company_id]
          schema: { type: string }
      responses:
        '200':
          description: Applications list
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items: { $ref: '#/components/schemas/Application' }
    post:
      summary: Create Application
      description: Create a new application for a company within the authenticated organisation's subtree. Requires `applications:write`.
      operationId: postApplications
      tags: [Applications]
      requestBody:
        required: true
        content:
          application/json:
            schema: { $ref: '#/components/schemas/ApplicationCreate' }
      responses:
        '201':
          description: Application created

  /v1/applications/current:
    get:
      summary: Get Current Application
      description: Information related to the application used to sign the request.
      operationId: getResV1Applications
      tags: [Applications]
      responses:
        '200':
          description: Current application
          content:
            application/json:
              schema: { $ref: '#/components/schemas/Application' }

  /v1/applications/{app_id}:
    get:
      summary: Get An Application
      operationId: getApplicationById
      tags: [Applications]
      parameters:
        - $ref: '#/components/parameters/AppIdPath'
        - in: query
          name: include
          schema: { type: string, enum: [bank_accounts] }
      responses:
        '200':
          description: Application
          content:
            application/json:
              schema: { $ref: '#/components/schemas/Application' }
    patch:
      summary: Update Application
      description: Update app_name, app_webhooks, or app_urls. Requires `applications:write`.
      operationId: patchApplicationById
      tags: [Applications]
      parameters:
        - $ref: '#/components/parameters/AppIdPath'
      requestBody:
        required: true
        content:
          application/json:
            schema: { $ref: '#/components/schemas/ApplicationPatch' }
      responses:
        '200':
          description: Application updated
    delete:
      summary: Remove An Application
      description: Removing an application is irreversible. Requires `applications:write`.
      operationId: deleteApplicationById
      tags: [Applications]
      parameters:
        - $ref: '#/components/parameters/AppIdPath'
      responses:
        '204':
          description: Deleted

  /v1/bank-accounts:
    get:
      summary: List Bank Accounts
      description: List bank accounts linked to companies in the authenticated organisation's subtree.
      operationId: getBankAccounts
      tags: [Bank Accounts]
      responses:
        '200':
          description: Bank account list
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items: { $ref: '#/components/schemas/OacBankAccount' }
    post:
      summary: Create Bank Account
      operationId: postBankAccounts
      tags: [Bank Accounts]
      requestBody:
        required: true
        content:
          application/json:
            schema: { $ref: '#/components/schemas/OacBankAccountCreate' }
      responses:
        '201':
          description: Bank account created

  /v1/bank-accounts/{bank_account_id}:
    patch:
      summary: Update Bank Account
      operationId: patchBankAccountById
      tags: [Bank Accounts]
      parameters:
        - in: path
          name: bank_account_id
          required: true
          schema: { type: string }
      requestBody:
        required: true
        content:
          application/json:
            schema: { $ref: '#/components/schemas/OacBankAccountCreate' }
      responses:
        '200':
          description: Updated
    delete:
      summary: Delete Bank Account
      operationId: deleteBankAccountById
      tags: [Bank Accounts]
      parameters:
        - in: path
          name: bank_account_id
          required: true
          schema: { type: string }
      responses:
        '204':
          description: Deleted

  /v1/companies:
    get:
      summary: List Companies
      operationId: getCompanies
      tags: [Companies]
      responses:
        '200':
          description: Companies list
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items: { $ref: '#/components/schemas/Company' }
    post:
      summary: Create Company
      operationId: postCompanies
      tags: [Companies]
      requestBody:
        required: true
        content:
          application/json:
            schema: { $ref: '#/components/schemas/CompanyCreate' }
      responses:
        '201':
          description: Created

  /v1/companies/{company_id}:
    get:
      summary: Get A Company
      operationId: getCompanyById
      tags: [Companies]
      parameters:
        - $ref: '#/components/parameters/CompanyIdPath'
      responses:
        '200':
          description: Company
          content:
            application/json:
              schema: { $ref: '#/components/schemas/Company' }
    patch:
      summary: Update Company
      operationId: patchCompanyById
      tags: [Companies]
      parameters:
        - $ref: '#/components/parameters/CompanyIdPath'
      requestBody:
        required: true
        content:
          application/json:
            schema: { $ref: '#/components/schemas/CompanyCreate' }
      responses:
        '200':
          description: Updated
    delete:
      summary: Remove Company
      operationId: deleteCompanyById
      tags: [Companies]
      parameters:
        - $ref: '#/components/parameters/CompanyIdPath'
      responses:
        '204':
          description: Deleted

  /v1/organisation-nodes:
    post:
      summary: Create Organisation Node
      description: Create a child organisation node. Requires `organisations:write`.
      operationId: postOrganisationNodes
      tags: [Organisation Nodes]
      requestBody:
        required: true
        content:
          application/json:
            schema: { $ref: '#/components/schemas/OrganisationNodeCreate' }
      responses:
        '201':
          description: Created

  /v1/organisation-nodes/{organisation_node_id}:
    get:
      summary: Get Organisation
      operationId: getOrganisationNodeById
      tags: [Organisation Nodes]
      parameters:
        - $ref: '#/components/parameters/OrgNodeIdPath'
      responses:
        '200':
          description: Organisation node
          content:
            application/json:
              schema: { $ref: '#/components/schemas/OrganisationNode' }
    patch:
      summary: Update Organisation
      operationId: patchOrganisationNodeById
      tags: [Organisation Nodes]
      parameters:
        - $ref: '#/components/parameters/OrgNodeIdPath'
      requestBody:
        required: true
        content:
          application/json:
            schema: { $ref: '#/components/schemas/OrganisationNodeCreate' }
      responses:
        '200':
          description: Updated
    delete:
      summary: Remove Organisation
      operationId: deleteOrganisationNodeById
      tags: [Organisation Nodes]
      parameters:
        - $ref: '#/components/parameters/OrgNodeIdPath'
      responses:
        '204':
          description: Deleted

  /v1/organisation-nodes/{organisation_node_id}/tree:
    get:
      summary: Get Organisation Tree
      description: Returns the organisation tree expanded from the top accessible node to the specified node.
      operationId: getOrganisationNodeTree
      tags: [Organisation Nodes]
      parameters:
        - $ref: '#/components/parameters/OrgNodeIdPath'
      responses:
        '200':
          description: Organisation tree
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items: { $ref: '#/components/schemas/OrganisationNode' }
                  meta:
                    type: object
                    properties:
                      requested_node_id: { type: string }
                      top_accessible_organisation_node_id: { type: string }

  /v1/organisation-nodes/{organisation_node_id}/companies:
    get:
      summary: Get Companies In Organisation
      operationId: getOrganisationNodeCompanies
      tags: [Organisation Nodes]
      parameters:
        - $ref: '#/components/parameters/OrgNodeIdPath'
        - in: query
          name: recursive
          schema: { type: boolean, default: true }
      responses:
        '200':
          description: Companies in this organisation subtree

  /v1/memberships:
    post:
      summary: Create Membership
      description: Associate a user with either a company or an organisation node.
      operationId: postMemberships
      tags: [Memberships]
      requestBody:
        required: true
        content:
          application/json:
            schema: { $ref: '#/components/schemas/MembershipCreate' }
      responses:
        '201':
          description: Membership created

  /v1/memberships/{membership_id}:
    patch:
      summary: Update Membership
      operationId: patchMembershipById
      tags: [Memberships]
      parameters:
        - in: path
          name: membership_id
          required: true
          schema: { type: string }
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                role: { type: string }
                status: { type: string }
                notification_preferences: { type: object }
      responses:
        '200':
          description: Updated
    delete:
      summary: Delete Membership
      operationId: deleteMembershipById
      tags: [Memberships]
      parameters:
        - in: path
          name: membership_id
          required: true
          schema: { type: string }
      responses:
        '204':
          description: Deleted

  /v1/users:
    post:
      summary: Create User
      operationId: postUsers
      tags: [Users]
      requestBody:
        required: true
        content:
          application/json:
            schema: { $ref: '#/components/schemas/UserCreate' }
      responses:
        '201':
          description: User created

  /v1/users/{user_id}:
    get:
      summary: Get User
      operationId: getUserById
      tags: [Users]
      parameters:
        - $ref: '#/components/parameters/UserIdPath'
      responses:
        '200':
          description: User
          content:
            application/json:
              schema: { $ref: '#/components/schemas/User' }
    patch:
      summary: Update User
      operationId: patchUserById
      tags: [Users]
      parameters:
        - $ref: '#/components/parameters/UserIdPath'
      requestBody:
        required: true
        content:
          application/json:
            schema: { $ref: '#/components/schemas/UserPatch' }
      responses:
        '200':
          description: Updated
    delete:
      summary: Delete User
      description: Destructive. Deletes Firebase auth credentials and all memberships.
      operationId: deleteUserById
      tags: [Users]
      parameters:
        - $ref: '#/components/parameters/UserIdPath'
      responses:
        '204':
          description: Deleted

components:
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT

  parameters:
    AppIdPath:
      in: path
      name: app_id
      required: true
      schema: { type: string }
    CompanyIdPath:
      in: path
      name: company_id
      required: true
      schema: { type: string }
    OrgNodeIdPath:
      in: path
      name: organisation_node_id
      required: true
      schema: { type: string }
    UserIdPath:
      in: path
      name: user_id
      required: true
      schema: { type: string }

  schemas:
    Application:
      type: object
      properties:
        id: { type: string }
        app_name: { type: string }
        app_public_key: { type: string }
        app_urls:
          type: object
          properties:
            return_url: { type: string, format: uri }
            domain: { type: string }
        app_webhooks:
          type: array
          items:
            type: object
            properties:
              url: { type: string, format: uri }
              events:
                type: array
                items: { type: string }

    ApplicationCreate:
      type: object
      required: [data]
      properties:
        data:
          type: object
          properties:
            type: { type: string, enum: [applications] }
            attributes:
              type: object
              properties:
                app_name: { type: string }
                app_public_key: { type: string }
            relationships:
              type: object
              properties:
                bank_account:
                  type: object
                  properties:
                    data:
                      type: object
                      properties:
                        id: { type: string }
                        lid: { type: string }

    ApplicationPatch:
      type: object
      properties:
        data:
          type: object
          properties:
            attributes:
              type: object
              properties:
                app_name: { type: string }
                app_webhooks:
                  type: array
                  items: { type: object }
                app_urls: { type: object }

    OacBankAccount:
      type: object
      properties:
        id: { type: string }
        iban: { type: string }
        bic: { type: string }
        holder_name: { type: string }
        currency: { type: string }

    OacBankAccountCreate:
      type: object
      required: [iban, holder_name]
      properties:
        iban: { type: string }
        bic: { type: string }
        holder_name: { type: string }
        currency: { type: string }

    Company:
      type: object
      properties:
        id: { type: string }
        name: { type: string }
        incorporation:
          type: object
          properties:
            siren: { type: string }
            vat: { type: string }
            hrb: { type: string }
        external_id: { type: string }

    CompanyCreate:
      type: object
      required: [name]
      properties:
        name: { type: string }
        incorporation:
          type: object
          properties:
            siren: { type: string }
            vat: { type: string }
            hrb: { type: string }
        external_id: { type: string }

    OrganisationNode:
      type: object
      properties:
        id: { type: string }
        name: { type: string }
        parent_id: { type: string }
        children:
          type: array
          items:
            type: object
            properties:
              id: { type: string }

    OrganisationNodeCreate:
      type: object
      required: [name]
      properties:
        name: { type: string }
        parent_id: { type: string }

    MembershipCreate:
      type: object
      required: [user_id, role]
      properties:
        user_id: { type: string }
        company_id: { type: string }
        organisation_node_id: { type: string }
        role:
          type: string
          enum: [admin, developer, viewer]
        notification_preferences:
          type: object

    User:
      type: object
      properties:
        id: { type: string }
        email: { type: string, format: email }
        first_name: { type: string }
        last_name: { type: string }
        phone: { type: string }

    UserCreate:
      type: object
      required: [email, membership]
      properties:
        email: { type: string, format: email }
        first_name: { type: string }
        last_name: { type: string }
        phone: { type: string }
        membership: { $ref: '#/components/schemas/MembershipCreate' }

    UserPatch:
      type: object
      properties:
        email: { type: string, format: email }
        first_name: { type: string }
        last_name: { type: string }
        phone: { type: string }
Fintecture Organisation Access Credentials API

Documentation

Specifications

Other Resources

OpenAPI Specification
