FusionAuth · Capability

FusionAuth API — Passwordless

FusionAuth API — Passwordless. 3 operations. Lead operation: Complete a login request using a passwordless code. Self-contained Naftiko capability covering one business surface.

FusionAuth API — Passwordless is a Naftiko capability published by FusionAuth, one of 33 capabilities the APIs.io network indexes for this provider. It bundles 3 operations across the POST method rooted at /v1/api/passwordless.

The capability includes 3 state-changing operations. Lead operation: Complete a login request using a passwordless code. Can be deployed as a REST endpoint, MCP tool, or Agent Skill via Naftiko.

Tagged areas include FusionAuth and Passwordless.

Run with Naftiko FusionAuthPasswordless

What You Can Do

POST
Passwordlessloginwithid — Complete a login request using a passwordless code
/v1/api/passwordless/login
POST
Sendpasswordlesscodewithid — Send a passwordless authentication code in an email to complete login.
/v1/api/passwordless/send
POST
Startpasswordlessloginwithid — Start a passwordless login request by generating a passwordless code. This code can be sent to the User using the Send Passwordless Code API
/v1/api/passwordless/start

MCP Tools

fusionauth-passwordlessloginwithid

Complete a login request using a passwordless code

fusionauth-sendpasswordlesscodewithid

Send a passwordless authentication code in an email to complete login.

fusionauth-startpasswordlessloginwithid

Start a passwordless login request by generating a passwordless code. This code can be sent to the User using the Send Passwordless Code API

Capability Spec

fusionauth-passwordless.yaml Raw ↑
naftiko: 1.0.0-alpha2
info:
  label: FusionAuth API — Passwordless
  description: 'FusionAuth API — Passwordless. 3 operations. Lead operation: Complete a login request using a passwordless code. Self-contained Naftiko capability covering one business surface.'
  tags:
  - FusionAuth
  - Passwordless
  created: '2026-05-20'
  modified: '2026-05-20'
binds:
- namespace: env
  keys:
    FUSIONAUTH_API_KEY: FUSIONAUTH_API_KEY
capability:
  consumes:
  - type: http
    namespace: fusionauth-passwordless
    baseUri: http://localhost:9011
    description: FusionAuth API — Passwordless business capability. Self-contained, no shared references.
    resources:
    - name: api-passwordless-login
      path: /api/passwordless/login
      operations:
      - name: passwordlessloginwithid
        method: POST
        description: Complete a login request using a passwordless code
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: false
    - name: api-passwordless-send
      path: /api/passwordless/send
      operations:
      - name: sendpasswordlesscodewithid
        method: POST
        description: Send a passwordless authentication code in an email to complete login.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: false
    - name: api-passwordless-start
      path: /api/passwordless/start
      operations:
      - name: startpasswordlessloginwithid
        method: POST
        description: Start a passwordless login request by generating a passwordless code. This code can be sent to the User using the Send Passwordless Code API
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: false
  exposes:
  - type: rest
    namespace: fusionauth-passwordless-rest
    port: 8080
    description: REST adapter for FusionAuth API — Passwordless. One resource per consumed operation, prefixed with /v1.
    resources:
    - path: /v1/api/passwordless/login
      name: api-passwordless-login
      description: REST surface for api-passwordless-login.
      operations:
      - method: POST
        name: passwordlessloginwithid
        description: Complete a login request using a passwordless code
        call: fusionauth-passwordless.passwordlessloginwithid
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/api/passwordless/send
      name: api-passwordless-send
      description: REST surface for api-passwordless-send.
      operations:
      - method: POST
        name: sendpasswordlesscodewithid
        description: Send a passwordless authentication code in an email to complete login.
        call: fusionauth-passwordless.sendpasswordlesscodewithid
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/api/passwordless/start
      name: api-passwordless-start
      description: REST surface for api-passwordless-start.
      operations:
      - method: POST
        name: startpasswordlessloginwithid
        description: Start a passwordless login request by generating a passwordless code. This code can be sent to the User using the Send Passwordless Code API
        call: fusionauth-passwordless.startpasswordlessloginwithid
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: fusionauth-passwordless-mcp
    port: 9090
    transport: http
    description: MCP adapter for FusionAuth API — Passwordless. One tool per consumed operation, routed inline through this capability's consumes block.
    tools:
    - name: fusionauth-passwordlessloginwithid
      description: Complete a login request using a passwordless code
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: fusionauth-passwordless.passwordlessloginwithid
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: fusionauth-sendpasswordlesscodewithid
      description: Send a passwordless authentication code in an email to complete login.
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: fusionauth-passwordless.sendpasswordlesscodewithid
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: fusionauth-startpasswordlessloginwithid
      description: Start a passwordless login request by generating a passwordless code. This code can be sent to the User using the Send Passwordless Code API
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: fusionauth-passwordless.startpasswordlessloginwithid
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.