Qualified Leads API

openapi: 3.2.0
info:
  title: Qualified Enterprise Leads API
  version: '2.0'
  description: '# Overview


    _Last updated: August 9, 2026_


    The Qualified Enterprise API connects your Qualified data to your warehouse, CDP, and downstream systems.'
servers:
- url: https://api.qualified.com
  description: Production
security:
- bearerToken: []
tags:
- name: Leads
  description: Create, update, and read lead (person) records and their custom field values.
paths:
  /v2/leads:
    get:
      summary: List leads
      operationId: listLeads
      description: 'Returns known, emailed leads, newest first, with their custom field values. Window with `updated_after`/`updated_before` to catch new and changed leads, or `created_after`/`created_before` for new leads only. Pass `email` to look one person up by address. Anonymous (email-less) people are not returned here; their activity carries a `visitorId`, which joins to a lead through `visitorIds` once they are identified. Leads become available in this list 30 minutes after they are created.


        **Scope:** `lead:view`'
      tags:
      - Leads
      parameters:
      - $ref: '#/components/parameters/After'
      - $ref: '#/components/parameters/Before'
      - $ref: '#/components/parameters/CreatedAfter'
      - $ref: '#/components/parameters/CreatedBefore'
      - $ref: '#/components/parameters/UpdatedAfter'
      - $ref: '#/components/parameters/UpdatedBefore'
      - $ref: '#/components/parameters/Email'
      responses:
        '200':
          description: A page of leads.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/Lead'
                  pageInfo:
                    $ref: '#/components/schemas/PageInfo'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '429':
          $ref: '#/components/responses/TooManyRequests'
        '500':
          $ref: '#/components/responses/InternalServerError'
    post:
      summary: Create or update a lead
      operationId: upsertLead
      description: 'Creates a lead or updates the existing one matched by `email`. Only the field values you send are written; others are left untouched. Returns the lead.


        Note: the upsert response returns the lead object at the top level, not wrapped in a `data` envelope.


        **Scope:** `lead:manage`'
      tags:
      - Leads
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - email
              properties:
                email:
                  type: string
                  description: Lead email address. Used to match an existing lead.
                fields:
                  type: object
                  description: Custom field values keyed by field API name.
      responses:
        '200':
          description: Existing lead updated.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Lead'
        '201':
          description: New lead created.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Lead'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '422':
          $ref: '#/components/responses/UnprocessableEntity'
        '429':
          $ref: '#/components/responses/TooManyRequests'
        '500':
          $ref: '#/components/responses/InternalServerError'
  /v2/leads/fields:
    get:
      summary: List lead fields
      operationId: listLeadFields
      description: 'Returns the custom field definitions for leads (person category), so you can map API names to types when ingesting the `fields` object.


        **Scope:** none beyond a valid token.'
      tags:
      - Leads
      responses:
        '200':
          description: Lead field definitions.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/Field'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/TooManyRequests'
        '500':
          $ref: '#/components/responses/InternalServerError'
  /v2/leads/{id}:
    get:
      summary: Get a lead
      operationId: getLead
      description: 'Returns a single lead by id. Lead ids come from `/v2/leads`, from an email''s `leadId`, or from matching an activity''s `visitorId` against a lead''s `visitorIds`. Only identified people have leads. See Identity.


        **Scope:** `lead:view`'
      tags:
      - Leads
      parameters:
      - name: id
        in: path
        required: true
        description: Encoded lead id.
        schema:
          type: string
      responses:
        '200':
          description: The lead.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    $ref: '#/components/schemas/Lead'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '404':
          $ref: '#/components/responses/NotFound'
        '429':
          $ref: '#/components/responses/TooManyRequests'
        '500':
          $ref: '#/components/responses/InternalServerError'
components:
  schemas:
    CodeErrorResponse:
      type: object
      properties:
        code:
          type: string
          description: Machine-readable error code.
        message:
          type: string
          description: Human-readable error message.
    ValidationErrorResponse:
      type: object
      properties:
        error:
          type: string
          description: Human-readable error message.
        details:
          type: object
          description: Structured context identifying what was rejected, for example the offending field under `failed_field`. Keys vary by failure.
          additionalProperties: true
    Field:
      type: object
      description: A custom field definition.
      properties:
        id:
          type: string
          description: Encoded field identifier.
        label:
          type: string
          description: Human-readable field label.
        type:
          type: string
          description: 'Field data type: `string`, `text`, `decimal`, `boolean`, `email`, `phone`, `name`, `company`, `picklist`, `multi_picklist`, or `text_array`. Numeric fields are `decimal` — there is no `number` type. `multi_picklist` and `text_array` are returned only for teams with multi-select fields enabled.'
        name:
          type: string
          description: Field API name, the key used in the `fields` object.
        options:
          type: array
          description: Picklist options. Present only when `type` is `picklist`.
          items:
            type: object
            properties:
              value:
                type: string
                description: Stored option value.
              label:
                type: string
                description: Option display label.
        createdAt:
          type: string
          format: date-time
          description: When the field was created.
        updatedAt:
          type: string
          format: date-time
          description: When the field was last updated.
    PageInfo:
      type: object
      description: Cursor-based pagination metadata.
      properties:
        hasNextPage:
          type: boolean
          description: Whether more results exist after `endCursor`.
        hasPreviousPage:
          type: boolean
          description: Whether more results exist before `startCursor`.
        startCursor:
          type:
          - string
          - 'null'
          description: Cursor for the first item on this page.
        endCursor:
          type:
          - string
          - 'null'
          description: Cursor for the last item on this page.
    ErrorResponse:
      type: object
      properties:
        error:
          type: string
          description: Human-readable error message.
    Lead:
      type: object
      description: A lead (person) record, keyed on email, with its custom field values.
      properties:
        id:
          type: string
          description: Encoded lead identifier.
        email:
          type: string
          description: Lead email address.
        fields:
          type: object
          description: 'Custom field values keyed by field API name. Includes fields hidden in the Qualified UI. Values are typed by field: booleans for checkboxes, numbers for numeric fields, arrays of strings for multi-select fields, otherwise strings. An unset field is `null`.

            '
          additionalProperties: true
        createdAt:
          type: string
          format: date-time
          description: When the lead was created.
        updatedAt:
          type: string
          format: date-time
          description: When the lead was last updated. Advances on email changes, custom field-value changes, when a new visitor is associated with the lead, and when a company write changes an account-level field this lead inherits.
        visitorIds:
          type: array
          items:
            type: string
          description: Encoded ids of the visitors that belong to this lead, one per browser or device the person has been seen on. This is how sessions, conversations, and meetings resolve to a person. Match an activity's `visitorId` against this array, which also attaches activity recorded before the visitor was identified. Returned as an empty array (never null) when there are none.
        salesforceLeadId:
          type:
          - string
          - 'null'
          description: Salesforce Lead ID, returned verbatim (not encoded). Sourced from the lead's most recent session attributes; may briefly lag the source system.
        salesforceContactId:
          type:
          - string
          - 'null'
          description: Salesforce Contact ID, returned verbatim.
        pardotProspectId:
          type:
          - string
          - 'null'
          description: Pardot Prospect ID, returned verbatim.
        marketoLeadId:
          type:
          - string
          - 'null'
          description: Marketo Lead ID, returned verbatim.
        hubspotContactId:
          type:
          - string
          - 'null'
          description: HubSpot Contact ID, returned verbatim.
        eloquaContactId:
          type:
          - string
          - 'null'
          description: Eloqua Contact ID, returned verbatim.
  parameters:
    Email:
      name: email
      in: query
      required: false
      description: Return only the lead with this email address. Exact match, case-insensitive, with surrounding whitespace ignored.
      schema:
        type: string
    CreatedBefore:
      name: created_before
      in: query
      required: false
      description: Return records created at or before this time. Accepts an ISO-8601 timestamp, interpreted as UTC unless it carries an offset. A bare date (`YYYY-MM-DD`) means midnight UTC at the start of that day, so pass the next day's date to include a whole day.
      schema:
        type: string
    Before:
      name: before
      in: query
      required: false
      description: Cursor for backward pagination. Pass the `startCursor` from the previous response.
      schema:
        type: string
    UpdatedAfter:
      name: updated_after
      in: query
      required: false
      description: Return records updated at or after this time. Interpreted as UTC unless an offset is given. A bare date (`YYYY-MM-DD`) means midnight UTC at the start of that day.
      schema:
        type: string
    CreatedAfter:
      name: created_after
      in: query
      required: false
      description: Return records created at or after this time. Accepts an ISO-8601 timestamp, interpreted as UTC unless it carries an offset. A bare date (`YYYY-MM-DD`) means midnight UTC at the start of that day.
      schema:
        type: string
    After:
      name: after
      in: query
      required: false
      description: Cursor for forward pagination. Pass the `endCursor` from the previous response.
      schema:
        type: string
    UpdatedBefore:
      name: updated_before
      in: query
      required: false
      description: Return records updated at or before this time. Interpreted as UTC unless an offset is given. A bare date (`YYYY-MM-DD`) means midnight UTC at the start of that day, so pass the next day's date to include a whole day.
      schema:
        type: string
  responses:
    NotFound:
      description: The record was not found, or the id could not be decoded.
      content:
        application/json:
          schema:
            oneOf:
            - $ref: '#/components/schemas/ErrorResponse'
            - $ref: '#/components/schemas/CodeErrorResponse'
    BadRequest:
      description: Malformed request, such as an invalid date or cursor.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    Unauthorized:
      description: Missing or invalid token, or the API is not enabled for the team.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/CodeErrorResponse'
          example:
            code: invalid_token
    TooManyRequests:
      description: A rate limit was exceeded. The three time-window limits set a `Retry-After` header; the concurrency limit does not, so treat its absence as "retry once an in-flight request finishes".
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/CodeErrorResponse'
          example:
            code: rate_limited
            message: Enterprise API rate limit exceeded
    InternalServerError:
      description: Unexpected server error.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          example:
            error: Internal server error
    UnprocessableEntity:
      description: The write was rejected, for example an unknown field, an invalid value, or a malformed batch.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ValidationErrorResponse'
    Forbidden:
      description: The token lacks the required OAuth scope.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/CodeErrorResponse'
          example:
            code: insufficient_scope
  securitySchemes:
    bearerToken:
      type: http
      scheme: bearer
      bearerFormat: Token
x-tagGroups:
- name: Write APIs
  tags:
  - Leads
  - Companies
  - Bulk
- name: Activity APIs
  tags:
  - Sessions
  - Conversations
  - Messages
  - Meetings
  - Emails
- name: Utility APIs
  tags:
  - Cancel Meeting
  - GDPR
- name: Legacy Reporting API
  tags:
  - Bot Conversations
  - Rep Conversations