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

# List institutions

> Lists the institutions supported by Fintoc, along with the products available at each one. Fintoc resolves product availability using your organization and the API key's `live` or `test` mode. Use the `country`, `type`, and `product` query parameters to filter the list.

**`v1`** · Base URL `https://api.fintoc.com/v1`


## OpenAPI

````yaml reference/fintoc-api.json GET /institutions
openapi: 3.1.0
info:
  title: fintoc-api
  version: v2026-02-01
servers:
  - url: https://api.fintoc.com/v1
security: []
paths:
  /institutions:
    get:
      tags:
        - Institutions
      summary: List institutions
      description: >-
        Lists the institutions supported by Fintoc, along with the products
        available at each one. Fintoc resolves product availability using your
        organization and the API key's `live` or `test` mode. Use the `country`,
        `type`, and `product` query parameters to filter the list.
      operationId: institutions-list
      parameters:
        - name: country
          in: query
          required: false
          schema:
            type: string
          description: >-
            Country of the institutions to return, as a lowercase ISO 3166-1
            alpha-2 code. One of `cl` (Chile) or `mx` (Mexico).
        - name: type
          in: query
          required: false
          schema:
            type: string
            enum:
              - bank
              - fiscal_authority
          description: >-
            Institution category to return. One of `bank` or `fiscal_authority`.
            A `fiscal_authority` is a national tax authority, such as Chile's
            SII or Mexico's SAT.
        - name: product
          in: query
          required: false
          schema:
            type: string
          description: >-
            Product that must be available at the institution, for example
            `payments` or `movements`. The list excludes any institution that
            does not have the product available.
      responses:
        '200':
          description: >-
            List of supported institutions that match the query parameters, with
            the products available at each one.
          content:
            application/json:
              examples:
                institutions_list:
                  value:
                    - id: cl_banco_de_chile
                      country: cl
                      name: Banco de Chile
                      object_name: institution
                      products:
                        - holder_type: individual
                          name: movements
                        - holder_type: business
                          name: movements
                        - holder_type: individual
                          name: payments
                      type: bank
                    - id: cl_fiscal_sii
                      country: cl
                      name: SII
                      object_name: institution
                      products:
                        - holder_type: business
                          name: invoices
                      type: fiscal_authority
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/supported_institution'
        '401':
          description: Invalid or missing API key.
          content:
            application/json:
              examples:
                invalid_api_key:
                  value:
                    error:
                      type: authentication_error
                      code: invalid_api_key
                      message: 'Invalid API Key: invalid-*oken'
              schema:
                $ref: '#/components/schemas/error_object'
      security:
        - api_key: []
components:
  schemas:
    supported_institution:
      type: object
      properties:
        id:
          type: string
          description: Unique identifier of the institution.
          example: cl_banco_de_chile
        country:
          type: string
          description: >-
            Country where the institution operates, as a lowercase ISO 3166-1
            alpha-2 code. One of `cl` (Chile) or `mx` (Mexico).
          example: cl
        name:
          type: string
          description: Human-readable name of the institution.
          example: Banco de Chile
        object_name:
          const: institution
          description: >-
            Type of the object. Always `institution`. Note that this resource
            returns `object_name` instead of the `object` key used by other API
            resources.
        products:
          type: array
          description: >-
            Products available at the institution. Each entry pairs a product
            with a holder type, so a product available for both holder types
            appears twice.
          items:
            type: object
            properties:
              holder_type:
                type: string
                enum:
                  - individual
                  - business
                description: >-
                  Holder type the product is available for. One of `individual`
                  (personal accounts) or `business` (business accounts).
                example: individual
              name:
                type: string
                description: Code of the product, for example `movements` or `payments`.
                example: movements
            required:
              - holder_type
              - name
        type:
          type: string
          enum:
            - bank
            - fiscal_authority
          description: >-
            Institution category. One of `bank` or `fiscal_authority`. A
            `fiscal_authority` is a national tax authority, such as Chile's SII
            or Mexico's SAT.
          example: bank
      required:
        - id
        - country
        - name
        - object_name
        - products
        - type
    error_object:
      type: object
      properties:
        error:
          type: object
          description: Details of the error that caused the request to fail.
          properties:
            code:
              type: string
              description: >-
                Machine-readable code identifying the specific error, for
                example `invalid_api_key`. Not returned by every error.
              example: invalid_api_key
            doc_url:
              type: string
              description: >-
                URL of a documentation page with more details about the error.
                Not returned by every error.
              example: https://docs.fintoc.com/reference/errors
            message:
              type: string
              description: Human-readable message describing the error.
              example: 'Invalid API Key: invalid-*oken'
            param:
              type:
                - string
                - 'null'
              description: >-
                Name of the request parameter that caused the error. `null` when
                the error cannot be tied to a single parameter, and not returned
                by every error.
              example: amount
            type:
              type: string
              description: >-
                Category of the error, for example `invalid_request_error`,
                `authentication_error`, or `api_error`.
              example: invalid_request_error
          required:
            - type
            - message
  securitySchemes:
    api_key:
      type: apiKey
      name: Authorization
      in: header

````