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

# Get business phone number warmup status

> Returns warmup status for a phone number, including limits and recent events used for delivery pacing.



## OpenAPI

````yaml /openapi.json get /phone-numbers/{phoneNumberId}/warmup
openapi: 3.0.4
info:
  title: Leadping API
  description: >-
    Leadping API for lead intake, messaging, calling, automations, billing,
    business settings, and compliant lead communication workflows.
  license:
    name: MIT
    url: https://opensource.org/licenses/MIT
  version: v1
servers:
  - url: https://api.leadping.ai
    description: Production
security: []
tags:
  - name: Analytics
  - name: Automations
  - name: Contact
  - name: Conversations
  - name: Dispositions
  - name: Feedback
  - name: Leads
  - name: LeadStatuses
  - name: Notifications
  - name: OutboundDelivery
  - name: Sources
  - name: Suppressions
  - name: Tags
  - name: Users
  - name: Calls
  - name: PhoneNumbers
  - name: Sms
  - name: Telephony
  - name: UserDataExports
  - name: CallEvents
  - name: Events
  - name: SmsEvents
  - name: Businesses
  - name: PaymentMethods
  - name: Transactions
  - name: Usage
  - name: Wallets
paths:
  /phone-numbers/{phoneNumberId}/warmup:
    get:
      tags:
        - PhoneNumbers
      summary: Get business phone number warmup status
      description: >-
        Returns warmup status for a phone number, including limits and recent
        events used for delivery pacing.
      operationId: PhoneNumbers_GetWarmupStatus
      parameters:
        - name: phoneNumberId
          in: path
          description: The phone number identifier.
          required: true
          schema:
            type: string
        - name: windowDays
          in: query
          description: The window days.
          schema:
            pattern: ^-?(?:0|[1-9]\d*)$
            format: int32
        - name: startDate
          in: query
          description: The start date.
          schema:
            type: string
            format: date
        - name: endDate
          in: query
          description: The end date.
          schema:
            type: string
            format: date
      responses:
        '200':
          description: Returns the phone number status response.
          content:
            application/json:
              schema:
                allOf:
                  - $ref: '#/components/schemas/PhoneNumberStatusResponse'
                description: >-
                  Response schema for the Leadping API phone number warmup
                  status returned to authenticated clients.
        '400':
          description: The request was invalid or failed validation.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
components:
  schemas:
    PhoneNumberStatusResponse:
      type: object
      properties:
        number:
          type: string
          description: E.164 phone number exposed by this phone number warmup status.
        messagesPossible:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: Indicates whether this phone number can currently send SMS messages.
          format: int32
        callsPossible:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: >-
            Indicates whether this phone number can currently place outbound
            calls.
          format: int32
        smsWarmup:
          type: object
          allOf:
            - $ref: '#/components/schemas/SmsReadinessStatusResponse'
          description: SMS warmup status for this phone number.
          nullable: true
        outboundCapacity:
          type: object
          allOf:
            - $ref: '#/components/schemas/OutboundPhoneNumberCapacity'
          description: Current outbound SMS and voice capacity for this phone number.
          nullable: true
        optOutMetrics:
          allOf:
            - $ref: '#/components/schemas/PhoneNumberOptOutMetricsResponse'
          description: >-
            Recent SMS opt-out metrics used to evaluate sender health and
            compliance risk.
        trafficMetrics:
          allOf:
            - $ref: '#/components/schemas/PhoneNumberTrafficMetricsResponse'
          description: Phone number traffic metrics for recent SMS and call activity.
        recentEvents:
          type: array
          items:
            allOf:
              - $ref: '#/components/schemas/PhoneNumberMessagingEventResponse'
            description: >-
              Response schema for the Leadping API phone number messaging event
              returned to authenticated clients.
          description: Recent workflow events returned for timeline and troubleshooting.
      description: >-
        Response schema for the Leadping API phone number warmup status returned
        to authenticated clients.
    ProblemDetails:
      type: object
      properties:
        type:
          type: string
          description: URI reference that identifies the problem type.
          nullable: true
        title:
          type: string
          description: Short, human-readable summary of the problem.
          nullable: true
        status:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: HTTP status code returned for the problem.
          format: int32
          nullable: true
        detail:
          type: string
          description: >-
            Human-readable explanation specific to this occurrence of the
            problem.
          nullable: true
        instance:
          type: string
          description: >-
            URI reference that identifies this specific occurrence of the
            problem.
          nullable: true
    SmsReadinessStatusResponse:
      type: object
      properties:
        phoneNumberId:
          type: string
          description: The phone number ID associated with this SMS warmup status.
        phoneNumber:
          type: string
          description: The phone number associated with this SMS warmup status.
        status:
          allOf:
            - $ref: '#/components/schemas/SmsReadinessState'
          description: The current state for this SMS warmup status.
        healthStatus:
          allOf:
            - $ref: '#/components/schemas/SmsReadinessHealthStatus'
          description: The current delivery-health assessment for this SMS warmup status.
        healthScore:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: The health score metric for this SMS warmup status.
          format: int32
        progressPercent:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: The progress percent metric for this SMS warmup status.
          format: int32
        warmupEnabled:
          type: boolean
          description: Whether warmup is enabled for this SMS warmup status.
        uiState:
          allOf:
            - $ref: '#/components/schemas/SmsReadinessUiState'
          description: The current UI state for this SMS warmup status.
      description: API response containing SMS warmup status data returned to callers.
    OutboundPhoneNumberCapacity:
      type: object
      properties:
        capacityAvailable:
          type: boolean
          description: >-
            Indicates whether Leadping successfully calculated capacity for this
            phone number.
        phoneNumberId:
          type: string
          description: >-
            Unique identifier of the phone number associated with this Leadping
            outbound phone number capacity.
          nullable: true
        phoneNumber:
          type: string
          description: >-
            Phone number associated with this Leadping outbound phone number
            capacity.
          nullable: true
        healthStatus:
          allOf:
            - $ref: '#/components/schemas/PhoneNumberOutboundHealthStatus'
          description: >-
            Current health status for this Leadping outbound phone number
            capacity.
        smsRemainingToday:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: >-
            SMS remaining today for the applicable messaging or voice capacity
            window.
          format: int32
        smsUsedToday:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: >-
            SMS used today for the applicable messaging or voice capacity
            window.
          format: int32
        smsLimitToday:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: >-
            Number of SMS limit today represented by this Leadping outbound
            phone number capacity.
          format: int32
        smsDailyResetsAt:
          type: string
          description: Next midnight Eastern time, when SMS daily capacity resets.
          format: date-time
          nullable: true
        smsRemainingThisHour:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: >-
            SMS remaining this hour for the applicable messaging or voice
            capacity window.
          format: int32
        smsUsedThisHour:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: >-
            SMS used this hour for the applicable messaging or voice capacity
            window.
          format: int32
        smsLimitThisHour:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: >-
            Number of SMS limit this hour represented by this Leadping outbound
            phone number capacity.
          format: int32
        smsHourlyResetsAt:
          type: string
          description: >-
            Start of the next Eastern time hour, when SMS hourly capacity
            resets.
          format: date-time
          nullable: true
        voiceRemainingToday:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: >-
            Voice remaining today for the applicable messaging or voice capacity
            window.
          format: int32
        voiceUsedToday:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: >-
            Voice used today for the applicable messaging or voice capacity
            window.
          format: int32
        voiceLimitToday:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: >-
            Voice limit today associated with this Leadping outbound phone
            number capacity.
          format: int32
        voiceDailyResetsAt:
          type: string
          description: Next midnight Eastern time, when voice daily capacity resets.
          format: date-time
          nullable: true
        voiceRemainingThisHour:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: >-
            Voice remaining this hour for the applicable messaging or voice
            capacity window.
          format: int32
        voiceUsedThisHour:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: >-
            Voice used this hour for the applicable messaging or voice capacity
            window.
          format: int32
        voiceLimitThisHour:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: >-
            Voice limit this hour associated with this Leadping outbound phone
            number capacity.
          format: int32
        voiceHourlyResetsAt:
          type: string
          description: >-
            Start of the next Eastern time hour, when voice hourly capacity
            resets.
          format: date-time
          nullable: true
      description: Represents outbound phone number capacity data used by Leadping.
    PhoneNumberOptOutMetricsResponse:
      type: object
      properties:
        windowDays:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: Number of days included in the metrics reporting window.
          format: int32
        windowStartedAt:
          type: string
          description: UTC timestamp when the metrics reporting window starts.
          format: date-time
        distinctContactedCount:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: Number of distinct recipients contacted during this metrics window.
          format: int32
        optOutCount:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: Number of recipients who opted out during this metrics window.
          format: int32
        optOutRatePercent:
          pattern: ^-?(?:0|[1-9]\d*)(?:\.\d+)?$
          description: >-
            Percentage of contacted recipients who opted out during this metrics
            window.
          format: double
      description: >-
        Response schema for the Leadping API phone number opt-out metrics
        response returned to authenticated clients.
    PhoneNumberTrafficMetricsResponse:
      type: object
      properties:
        windowDays:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: Number of days included in the metrics reporting window.
          format: int32
        windowStartedAt:
          type: string
          description: UTC timestamp when the metrics reporting window starts.
          format: date-time
        smsSentCount:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: Number of SMS messages sent during this metrics window.
          format: int32
        smsFailedCount:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: Number of SMS messages that failed during this metrics window.
          format: int32
        callPlacedCount:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: Number of outbound calls placed during this metrics window.
          format: int32
        callFailedCount:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: Number of outbound calls that failed during this metrics window.
          format: int32
        callConnectedCount:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: Number of outbound calls that connected during this metrics window.
          format: int32
        callShortCount:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: >-
            Number of connected outbound calls shorter than 30 seconds during
            this metrics window.
          format: int32
        callInvalidNumberCount:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: >-
            Number of outbound calls that failed because the destination number
            was invalid during this metrics window.
          format: int32
        trend:
          type: array
          items:
            allOf:
              - $ref: '#/components/schemas/PhoneNumberTrafficTrendPoint'
            description: >-
              Time-series data point schema for Leadping API phone number
              traffic trend bucket charts and metrics.
          description: >-
            Time-series buckets that show how the metric changes across the
            reporting window.
      description: >-
        Response schema for the Leadping API phone number traffic metrics
        response returned to authenticated clients.
    PhoneNumberMessagingEventResponse:
      type: object
      properties:
        id:
          type: string
          description: Unique Leadping identifier for this phone number messaging event.
        createdAt:
          type: string
          description: UTC timestamp when this phone number messaging event was created.
          format: date-time
        label:
          type: string
          description: >-
            Short display label for this phone number messaging event, formatted
            for charts, filters, or list views.
        eventType:
          type: string
          description: >-
            Event type used to classify this timeline, SMS, call, or automation
            event.
        direction:
          type: string
          description: >-
            Communication direction for this phone number messaging event, such
            as inbound or outbound.
        fromPhoneNumber:
          type: string
          description: Sender phone number used for this communication.
        toPhoneNumber:
          type: string
          description: Recipient phone number used for this communication.
        textPreview:
          type: string
          description: >-
            Short preview of the SMS or conversation text for this phone number
            messaging event.
        isOptOut:
          type: boolean
          description: >-
            Indicates whether the recipient has opted out of further SMS
            communication.
      description: >-
        Response schema for the Leadping API phone number messaging event
        returned to authenticated clients.
    SmsReadinessState:
      enum:
        - Not Started
        - In Progress
        - Paused
        - Blocked
        - Ready
      type: string
      description: Defines the supported SMS readiness states.
    SmsReadinessHealthStatus:
      enum:
        - Not Evaluated
        - Evaluating
        - Healthy
        - Needs Attention
        - Blocked
      type: string
      description: Defines the supported SMS readiness health assessments.
    SmsReadinessUiState:
      type: object
      properties:
        label:
          allOf:
            - $ref: '#/components/schemas/SmsReadinessState'
          description: The human-readable label shown for this SMS readiness UI state.
        tone:
          type: string
          description: The tone value for this SMS readiness UI state.
        description:
          type: string
          description: The human-readable description of this SMS readiness UI state.
      description: >-
        API DTO containing SMS readiness UI state data used by Leadping API
        contracts.
    PhoneNumberOutboundHealthStatus:
      enum:
        - unknown
        - new
        - healthy
        - warmup
        - limited
        - cooling_down
        - suspended
        - disabled
      type: string
      description: Defines phone-number outbound health states used by pacing.
    PhoneNumberTrafficTrendPoint:
      type: object
      properties:
        startAt:
          type: string
          description: UTC timestamp when this reporting bucket starts.
          format: date-time
        endAt:
          type: string
          description: UTC timestamp when this reporting bucket ends.
          format: date-time
        label:
          type: string
          description: >-
            Short display label for this phone number traffic trend bucket,
            formatted for charts, filters, or list views.
        smsSentCount:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: Number of SMS messages sent during this metrics window.
          format: int32
        smsFailedCount:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: Number of SMS messages that failed during this metrics window.
          format: int32
        callPlacedCount:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: Number of outbound calls placed during this metrics window.
          format: int32
        callFailedCount:
          pattern: ^-?(?:0|[1-9]\d*)$
          description: Number of outbound calls that failed during this metrics window.
          format: int32
      description: >-
        Time-series data point schema for Leadping API phone number traffic
        trend bucket charts and metrics.

````