> ## Documentation Index
> Fetch the complete documentation index at: https://docs.reply.io/llms.txt
> Use this file to discover all available pages before exploring further.
# Estimate mailbox cost
>
**Coming soon.** This endpoint will be available by late October 2026.
_Requires the `channels:read` scope (or a broader one that includes it)._
Price breakdown for adding mailboxes to a domain your team already bought — per-seat unit prices, subtotal, discount and total, all in cents. Call it before Add mailboxes to see what the order will charge.
Send mailboxes with 1 to 5 entries. A domain holds at most 5 mailboxes, existing ones included.
Take domainId from GET /v3/email-accounts/procurement/domains. The body matches Add mailboxes, so one body works for both.
## OpenAPI
````yaml /api-reference/bundled.yaml post /v3/email-accounts/procurement/domains/{domainId}/mailboxes/estimate
openapi: 3.1.0
info:
version: 3.0.0
title: Reply API
description: API for managing email sequences, contacts, and automation workflows
servers:
- url: https://api.reply.io
security:
- bearerAuth: []
tags:
- name: Contacts
description: Manage individual contacts
- name: Contact Lists
description: Manage contact lists and contact membership
- name: Accounts
description: Manage accounts (companies/organizations)
- name: Account Lists
description: Manage account lists and account membership
- name: Custom Fields
description: Manage custom contact fields
- name: Prompt Actions
description: Save reusable AI prompts and run them on contacts to fill custom fields
- name: Contact Blacklist Rules
description: Manage blacklist rules for domains, emails, and email exceptions
- name: Live Data
description: >-
Find new contacts via Live Data searches and read typeahead values for the
Live Data / Autopilot filter sidebar
- name: Contact Enrichment
description: >-
Enrich contacts with emails, phone numbers, LinkedIn data, and AI-filled
custom fields
- name: Email Validations
description: Estimate and schedule asynchronous email validation jobs
- name: AI SDR Web Search
description: Find contacts via AI-driven web search and review past searches
- name: Sequences
description: Manage email automation sequences
- name: Sequence Steps
description: Manage individual steps in sequences
- name: Sequence Contacts
description: Manage contacts within sequences
- name: Sequence Folders
description: Organize sequences into folders
- name: Email Accounts
description: Manage email accounts used for sending and receiving
- name: Sequence Email Accounts
description: Manage email accounts linked to sequences
- name: LinkedIn Accounts
description: Manage LinkedIn accounts for outreach
- name: Sequence LinkedIn Accounts
description: Manage LinkedIn accounts linked to sequences
- name: Sequence Templates
description: Manage sequence templates
- name: Email Templates
description: Manage email templates and template folders
- name: Voices
description: Manage cloned voices used for AI voice message steps
- name: Schedules
description: Manage email send schedules and timing
- name: Holiday Calendars
description: Manage holiday calendars for scheduling
- name: Inbox
description: >-
Manage inbox threads — list/filter, read state, replies, category
assignment, and meeting-intent flagging
- name: Inbox Categories
description: Manage per-team inbox thread categories and assign threads to them
- name: Direct Outreach
description: >-
Send one-off outreach directly to a contact outside of any sequence —
direct emails and LinkedIn connection requests, messages, InMails, and
voice messages
- name: Tasks
description: Manage tasks and to-do items
- name: Reports
description: >-
Generate and access performance reports across email, calls, tasks,
LinkedIn, and team performance
- name: AI SDR Sequences
description: >-
Manage AI SDR sequences and their AI SDR-specific settings — create, read
settings, partial update, autopilot enable/disable/force-start, approval
mode, generated step types, and playbook/knowledge-base connections
- name: AI SDR Strategist
description: Trigger AI Strategist runs
- name: AI SDR Playbooks
description: >-
Manage AI SDR playbooks — tone, voice, and style guides applied during
personalized message generation
- name: AI SDR Knowledge Bases
description: >-
Manage AI SDR knowledge bases — collections of documents, links, reply
handlers, and reengagement cards that inform the agent's responses
- name: AI SDR Offers
description: >-
Manage AI SDR offers — bundles of company-context inputs (ICP, pain
points, value propositions, etc.) used to personalize outreach
- name: AI SDR Pending Approvals
description: >-
Review, send, regenerate, and provide feedback on AI-generated messages
awaiting human approval
- name: AI SDR Sequence Preview
description: >-
Read and regenerate per-contact previews of the messages a sequence will
send, and provide feedback on preview messages
- name: AI SDR Insights
description: Read AI SDR insights for sequence contacts
- name: AI SDR Intent Signals
description: >-
Read Reply industry IDs and technology slugs used in AI SDR intent-signal
configuration (typeahead)
- name: AI Prompts
description: >-
Manage the AI prompts used to configure sequence steps, and preview the
output a prompt produces
- name: AI SDR Learnings
description: >-
Manage the standing rules that shape how the AI writes — list, read,
create, partially update and delete AI learnings
- name: Registration
description: Register the contact that domain purchases are filed under
- name: Domains
description: Find domains available to buy for outreach
- name: Purchased Domains
description: >-
List the domains your team bought, with their subscription, setup and
renewal state
- name: Mailboxes
description: Add mailboxes to domains your team already bought, priced before you order
- name: User Account
description: Account information and authentication verification
- name: Settings
description: Manage team and user settings
- name: Billing
description: Subscription details and monthly active contacts usage
- name: Rate Limits
description: Your API rate limits and current usage
- name: Webhooks
description: Manage webhook subscriptions and inspect delivery history
- name: Background Jobs
description: >-
Track and cancel asynchronous background operations (e.g., email
validation)
- name: Attachments
description: >-
Upload file attachments used across email templates, sequence steps, and
direct emails
paths:
/v3/email-accounts/procurement/domains/{domainId}/mailboxes/estimate:
post:
tags:
- Mailboxes
summary: Estimate mailbox cost
description: >-
**Coming soon.** This endpoint will be available by late October 2026.
_Requires the `channels:read` scope (or a broader one that
includes it)._
Price breakdown for adding mailboxes to a domain your team already
bought — per-seat unit prices, subtotal, discount and total, all in
cents. Call it before Add mailboxes to see what the order will charge.
Send mailboxes with 1 to 5 entries. A domain holds at most 5 mailboxes,
existing ones included.
Take domainId from GET /v3/email-accounts/procurement/domains. The body
matches Add mailboxes, so one body works for both.
operationId: EstimateAddMailboxesToDomain
parameters:
- name: domainId
in: path
required: true
description: ID of a domain your team bought
schema:
type: integer
format: int64
minimum: 1
example: 4182
requestBody:
required: true
content:
application/json:
schema:
type: object
title: EstimateAddMailboxesToDomainRequest
description: >-
Same shape and rules as the Add mailboxes request body, so one
body can be posted to both.
properties:
mailboxes:
type: array
minItems: 1
maxItems: 5
description: >-
Mailboxes to price. Usernames must be unique within the
request, and at most one entry may set isAdmin to true.
items:
type: object
title: OrderMailbox
description: >-
One mailbox to create on a domain your team already
bought.
properties:
username:
type: string
maxLength: 64
description: >-
Local part of the mailbox address. Latin letters,
numbers, dots, underscores and hyphens only, with no
leading, trailing or double dot. Must not already
exist on the domain.
firstName:
type: string
maxLength: 60
description: >-
Latin letters, digits, hyphens, periods and
apostrophes only
lastName:
type: string
maxLength: 60
description: >-
Latin letters, digits, hyphens, periods and
apostrophes only
needToWarmUp:
type: boolean
default: false
description: Enrol the mailbox in warm-up once it is created
isAdmin:
type: boolean
default: false
description: >-
Marks the mailbox as the domain administrator. Allowed
only when the domain has no admin mailbox yet.
ownerUserId:
type: integer
minimum: 1
description: >-
Team member who will own the resulting email account.
Defaults to the caller.
avatarUrl:
type: string
maxLength: 500
description: HTTP or HTTPS URL of the mailbox profile picture
required:
- username
- firstName
- lastName
required:
- mailboxes
example:
mailboxes:
- username: john.doe
firstName: John
lastName: Doe
- username: jane.roe
firstName: Jane
lastName: Roe
responses:
'200':
description: Estimated cost of adding the mailboxes
content:
application/json:
schema:
type: object
title: AddMailboxesEstimate
description: >-
Every amount is in cents — 1299 means twelve dollars and
ninety-nine cents. The domain is already owned, so it carries
no price.
properties:
currency:
type: string
description: Currency the amounts are denominated in
mailboxSeats:
type: object
title: EstimateSeats
description: >-
Paid-seat counts and unit price for one seat type in an
order estimate.
properties:
currentCount:
type: integer
description: >-
Paid seats before this order. For emailAccountSeats,
excludes accounts the plan already includes.
addedCount:
type: integer
description: >-
Seats this order adds. Zero when the current plan
already covers them.
totalCount:
type: integer
description: >-
Paid seats after this order (currentCount +
addedCount)
unitPrice:
type: integer
format: int64
description: Price of one seat, in cents
required:
- currentCount
- addedCount
- totalCount
- unitPrice
example:
currentCount: 3
addedCount: 2
totalCount: 5
unitPrice: 400
emailAccountSeats:
type: object
title: EstimateSeats
description: >-
Paid-seat counts and unit price for one seat type in an
order estimate.
properties:
currentCount:
type: integer
description: >-
Paid seats before this order. For emailAccountSeats,
excludes accounts the plan already includes.
addedCount:
type: integer
description: >-
Seats this order adds. Zero when the current plan
already covers them.
totalCount:
type: integer
description: >-
Paid seats after this order (currentCount +
addedCount)
unitPrice:
type: integer
format: int64
description: Price of one seat, in cents
required:
- currentCount
- addedCount
- totalCount
- unitPrice
example:
currentCount: 3
addedCount: 2
totalCount: 5
unitPrice: 400
subtotal:
type: integer
format: int64
description: Sum of all seat charges, in cents
discount:
type: number
description: Discount applied to the order. Currently always 0.
total:
type: integer
format: int64
description: Amount charged if the mailboxes are added, in cents
required:
- currency
- mailboxSeats
- emailAccountSeats
- subtotal
- discount
- total
example:
currency: USD
mailboxSeats:
currentCount: 2
addedCount: 2
totalCount: 4
unitPrice: 400
emailAccountSeats:
currentCount: 5
addedCount: 2
totalCount: 7
unitPrice: 1500
subtotal: 3800
discount: 0
total: 3800
'400':
description: >-
Validation failure on the request, the domain has too few free
mailbox slots or is a pre-warmed domain, or the mailboxes could not
be priced.
content:
application/problem+json:
schema:
oneOf:
- allOf:
- allOf:
- type: object
title: Problem Details
description: >-
Bare RFC 9457 problem-details envelope. Returned
by middleware-level errors
that don't carry domain context: 401 Unauthorized
(auth middleware),
429 Too Many Requests (rate-limit middleware), and
route-level 404 / 405 /
415 (framework middleware).
Business and validation responses extend this
envelope and add additional
fields — see `business-problem.model.yaml` (adds
`code` slug) and
`validation-problem.model.yaml` (adds `errors[]`
array).
properties:
title:
type: string
description: Short, human-readable summary of the problem.
status:
type: integer
description: HTTP status code.
minimum: 100
maximum: 599
detail:
type: string
description: >-
Human-readable explanation specific to this
occurrence.
- type: object
properties:
errors:
type: array
description: >-
List of field-level validation errors. Always
non-empty when this
envelope is returned. Each entry pins a single
offending field
via JSON Pointer plus a sanitized detail
string.
items:
type: object
title: Validation Error
description: A single field-level validation error.
properties:
pointer:
type: string
description: >-
JSON Pointer (RFC 6901) to the offending
field — e.g.
`/steps/0/subject`.
* An empty string (`""`) means the error
applies to the whole
request body (e.g. body is missing or unparseable).
* For route or query parameter failures
the pointer is the parameter
name (e.g. `id`, `top`).
example: /steps/0/subject
detail:
type: string
description: >-
Sanitized, human-readable explanation of
this field's error. One of a
small set of templates — `"Field is
required."`, `"Value has an
invalid type."`, `"Value has an invalid
format."`, `"Request body is
not valid JSON."`, `"The request body is
required and cannot be
empty."` — or a FluentValidator message
on body endpoints.
example: Field is required.
title: Validation Problem
description: >-
Input-validation error response at 400. Returned when
the request body
fails binding, FluentValidator rules, or when
route/query parameter
attribute validation (`[Range]`, `[Required]`) fails.
Route, query, and
body errors are combined into a single `errors[]`
array — clients should
not assume one error per request.
- example:
title: Validation failed
status: 400
detail: The request body contains validation errors.
errors:
- pointer: /name
detail: Field is required.
- allOf:
- allOf:
- type: object
title: Problem Details
description: >-
Bare RFC 9457 problem-details envelope. Returned
by middleware-level errors
that don't carry domain context: 401 Unauthorized
(auth middleware),
429 Too Many Requests (rate-limit middleware), and
route-level 404 / 405 /
415 (framework middleware).
Business and validation responses extend this
envelope and add additional
fields — see `business-problem.model.yaml` (adds
`code` slug) and
`validation-problem.model.yaml` (adds `errors[]`
array).
properties:
title:
type: string
description: Short, human-readable summary of the problem.
status:
type: integer
description: HTTP status code.
minimum: 100
maximum: 599
detail:
type: string
description: >-
Human-readable explanation specific to this
occurrence.
- type: object
properties:
code:
type: string
description: >-
Stable, machine-readable error slug in the
form
`"."`.
* `resource` is the camelCased domain — e.g.
`sequence`,
`contact`, `inboxThread`, `blacklistDomainRule`.
* `variant` is the camelCased specific failure
mode — e.g.
`notFound`, `forbidden`, `duplicateName`, `globalRuleReadOnly`.
Use `code` for programmatic error handling;
use `detail` for
user-facing messages. Slugs are stable across
server-side enum
reorderings and never change meaning under a
given resource.
pattern: ^[a-z][a-zA-Z0-9]*(\.[a-z][a-zA-Z0-9]*)+$
example: sequence.notFound
title: Business Problem
description: >-
Domain error response carrying a stable, namespaced
error slug.
Emitted for most 4xx responses (business 400, 403,
404, 409, …) and
for 503 when a downstream dependency is unavailable.
- example:
title: Bad Request
status: 400
detail: Pagination parameters are invalid.
code: sequence.invalidPagination
examples:
validation_failed:
summary: Body validation failure
value:
title: Validation failed
status: 400
detail: The request body contains validation errors.
errors:
- pointer: /mailboxes
detail: mailboxes must contain 1 to 5 items.
not_enough_slots:
summary: The domain has too few free mailbox slots
value:
title: Bad Request
status: 400
detail: >-
This domain has 2 of 5 mailbox slots free, but 3 were
requested.
code: procurementOrder.validation
pre_warmed_domain:
summary: The domain is a pre-warmed domain
value:
title: Bad Request
status: 400
detail: >-
Domain 'outreach-hq.com' is a pre-warmed bundle; mailboxes
cannot be added to it.
code: procurementOrder.validation
estimate_expired:
summary: The estimate expired while it was being priced
value:
title: Bad Request
status: 400
detail: >-
This estimate has expired. Request a new estimate and
retry.
code: procurementOrder.unknown
'401':
description: >-
Unauthorized. The response body is empty; check the
`WWW-Authenticate` header for the expected scheme.
content:
application/problem+json:
schema:
allOf:
- type: object
title: Problem Details
description: >-
Bare RFC 9457 problem-details envelope. Returned by
middleware-level errors
that don't carry domain context: 401 Unauthorized (auth
middleware),
429 Too Many Requests (rate-limit middleware), and
route-level 404 / 405 /
415 (framework middleware).
Business and validation responses extend this envelope and
add additional
fields — see `business-problem.model.yaml` (adds `code`
slug) and
`validation-problem.model.yaml` (adds `errors[]` array).
properties:
title:
type: string
description: Short, human-readable summary of the problem.
status:
type: integer
description: HTTP status code.
minimum: 100
maximum: 599
detail:
type: string
description: >-
Human-readable explanation specific to this
occurrence.
- example:
title: Unauthorized
status: 401
detail: Authentication credentials are missing or invalid.
'403':
description: The team is not registered for mailbox procurement
content:
application/problem+json:
schema:
allOf:
- allOf:
- type: object
title: Problem Details
description: >-
Bare RFC 9457 problem-details envelope. Returned by
middleware-level errors
that don't carry domain context: 401 Unauthorized
(auth middleware),
429 Too Many Requests (rate-limit middleware), and
route-level 404 / 405 /
415 (framework middleware).
Business and validation responses extend this envelope
and add additional
fields — see `business-problem.model.yaml` (adds
`code` slug) and
`validation-problem.model.yaml` (adds `errors[]`
array).
properties:
title:
type: string
description: Short, human-readable summary of the problem.
status:
type: integer
description: HTTP status code.
minimum: 100
maximum: 599
detail:
type: string
description: >-
Human-readable explanation specific to this
occurrence.
- type: object
properties:
code:
type: string
description: >-
Stable, machine-readable error slug in the form
`"."`.
* `resource` is the camelCased domain — e.g.
`sequence`,
`contact`, `inboxThread`, `blacklistDomainRule`.
* `variant` is the camelCased specific failure
mode — e.g.
`notFound`, `forbidden`, `duplicateName`, `globalRuleReadOnly`.
Use `code` for programmatic error handling; use
`detail` for
user-facing messages. Slugs are stable across
server-side enum
reorderings and never change meaning under a given
resource.
pattern: ^[a-z][a-zA-Z0-9]*(\.[a-z][a-zA-Z0-9]*)+$
example: sequence.notFound
title: Business Problem
description: >-
Domain error response carrying a stable, namespaced error
slug.
Emitted for most 4xx responses (business 400, 403, 404,
409, …) and
for 503 when a downstream dependency is unavailable.
- example:
title: Forbidden
status: 403
detail: You do not have permission to access this resource.
code: sequence.forbidden
example:
title: Forbidden
status: 403
detail: >-
This team is not registered with the mailbox provider.
Register the team first.
code: procurementOrder.notRegistered
'404':
description: No domain with this ID belongs to the team
content:
application/problem+json:
schema:
allOf:
- allOf:
- type: object
title: Problem Details
description: >-
Bare RFC 9457 problem-details envelope. Returned by
middleware-level errors
that don't carry domain context: 401 Unauthorized
(auth middleware),
429 Too Many Requests (rate-limit middleware), and
route-level 404 / 405 /
415 (framework middleware).
Business and validation responses extend this envelope
and add additional
fields — see `business-problem.model.yaml` (adds
`code` slug) and
`validation-problem.model.yaml` (adds `errors[]`
array).
properties:
title:
type: string
description: Short, human-readable summary of the problem.
status:
type: integer
description: HTTP status code.
minimum: 100
maximum: 599
detail:
type: string
description: >-
Human-readable explanation specific to this
occurrence.
- type: object
properties:
code:
type: string
description: >-
Stable, machine-readable error slug in the form
`"."`.
* `resource` is the camelCased domain — e.g.
`sequence`,
`contact`, `inboxThread`, `blacklistDomainRule`.
* `variant` is the camelCased specific failure
mode — e.g.
`notFound`, `forbidden`, `duplicateName`, `globalRuleReadOnly`.
Use `code` for programmatic error handling; use
`detail` for
user-facing messages. Slugs are stable across
server-side enum
reorderings and never change meaning under a given
resource.
pattern: ^[a-z][a-zA-Z0-9]*(\.[a-z][a-zA-Z0-9]*)+$
example: sequence.notFound
title: Business Problem
description: >-
Domain error response carrying a stable, namespaced error
slug.
Emitted for most 4xx responses (business 400, 403, 404,
409, …) and
for 503 when a downstream dependency is unavailable.
- example:
title: Not Found
status: 404
detail: The requested resource was not found.
code: sequence.notFound
example:
title: Not Found
status: 404
detail: Domain with id '4182' not found or not accessible.
code: procurementOrder.domainNotFound
'409':
description: >-
A requested username already exists on the domain, the domain
already has an admin mailbox, or the domain is still provisioning or
has expired.
content:
application/problem+json:
schema:
allOf:
- allOf:
- type: object
title: Problem Details
description: >-
Bare RFC 9457 problem-details envelope. Returned by
middleware-level errors
that don't carry domain context: 401 Unauthorized
(auth middleware),
429 Too Many Requests (rate-limit middleware), and
route-level 404 / 405 /
415 (framework middleware).
Business and validation responses extend this envelope
and add additional
fields — see `business-problem.model.yaml` (adds
`code` slug) and
`validation-problem.model.yaml` (adds `errors[]`
array).
properties:
title:
type: string
description: Short, human-readable summary of the problem.
status:
type: integer
description: HTTP status code.
minimum: 100
maximum: 599
detail:
type: string
description: >-
Human-readable explanation specific to this
occurrence.
- type: object
properties:
code:
type: string
description: >-
Stable, machine-readable error slug in the form
`"."`.
* `resource` is the camelCased domain — e.g.
`sequence`,
`contact`, `inboxThread`, `blacklistDomainRule`.
* `variant` is the camelCased specific failure
mode — e.g.
`notFound`, `forbidden`, `duplicateName`, `globalRuleReadOnly`.
Use `code` for programmatic error handling; use
`detail` for
user-facing messages. Slugs are stable across
server-side enum
reorderings and never change meaning under a given
resource.
pattern: ^[a-z][a-zA-Z0-9]*(\.[a-z][a-zA-Z0-9]*)+$
example: sequence.notFound
title: Business Problem
description: >-
Domain error response carrying a stable, namespaced error
slug.
Emitted for most 4xx responses (business 400, 403, 404,
409, …) and
for 503 when a downstream dependency is unavailable.
- example:
title: Conflict
status: 409
detail: A resource with this name already exists.
code: sequence.duplicateName
examples:
username_taken:
summary: A username already exists on the domain
value:
title: Conflict
status: 409
detail: >-
The following usernames already exist on this domain:
john.doe.
code: procurementOrder.duplicateMailboxUsername
admin_exists:
summary: The domain already has an admin mailbox
value:
title: Conflict
status: 409
detail: Domain 'outreach-hq.com' already has an admin mailbox.
code: procurementOrder.adminMailboxAlreadyExists
domain_provisioning:
summary: The domain is still being provisioned
value:
title: Conflict
status: 409
detail: >-
Domain 'outreach-hq.com' is still being provisioned. Wait
for provisioning to finish and retry.
code: procurementOrder.domainNotReady
domain_expired:
summary: The domain subscription has expired
value:
title: Conflict
status: 409
detail: >-
Domain 'outreach-hq.com' has an expired subscription.
Renew the domain before adding mailboxes.
code: procurementOrder.domainNotReady
'429':
description: Too Many Requests
headers:
Retry-After:
description: Seconds to wait before retrying
schema:
type: integer
minimum: 1
content:
application/problem+json:
schema:
allOf:
- type: object
title: Problem Details
description: >-
Bare RFC 9457 problem-details envelope. Returned by
middleware-level errors
that don't carry domain context: 401 Unauthorized (auth
middleware),
429 Too Many Requests (rate-limit middleware), and
route-level 404 / 405 /
415 (framework middleware).
Business and validation responses extend this envelope and
add additional
fields — see `business-problem.model.yaml` (adds `code`
slug) and
`validation-problem.model.yaml` (adds `errors[]` array).
properties:
title:
type: string
description: Short, human-readable summary of the problem.
status:
type: integer
description: HTTP status code.
minimum: 100
maximum: 599
detail:
type: string
description: >-
Human-readable explanation specific to this
occurrence.
example:
title: Too Many Requests
status: 429
detail: API calls quota exceeded! maximum admitted 100 per 1m.
'503':
description: The mailbox provider could not be reached to price the mailboxes
content:
application/problem+json:
schema:
allOf:
- allOf:
- type: object
title: Problem Details
description: >-
Bare RFC 9457 problem-details envelope. Returned by
middleware-level errors
that don't carry domain context: 401 Unauthorized
(auth middleware),
429 Too Many Requests (rate-limit middleware), and
route-level 404 / 405 /
415 (framework middleware).
Business and validation responses extend this envelope
and add additional
fields — see `business-problem.model.yaml` (adds
`code` slug) and
`validation-problem.model.yaml` (adds `errors[]`
array).
properties:
title:
type: string
description: Short, human-readable summary of the problem.
status:
type: integer
description: HTTP status code.
minimum: 100
maximum: 599
detail:
type: string
description: >-
Human-readable explanation specific to this
occurrence.
- type: object
properties:
code:
type: string
description: >-
Stable, machine-readable error slug in the form
`"."`.
* `resource` is the camelCased domain — e.g.
`sequence`,
`contact`, `inboxThread`, `blacklistDomainRule`.
* `variant` is the camelCased specific failure
mode — e.g.
`notFound`, `forbidden`, `duplicateName`, `globalRuleReadOnly`.
Use `code` for programmatic error handling; use
`detail` for
user-facing messages. Slugs are stable across
server-side enum
reorderings and never change meaning under a given
resource.
pattern: ^[a-z][a-zA-Z0-9]*(\.[a-z][a-zA-Z0-9]*)+$
example: sequence.notFound
title: Business Problem
description: >-
Domain error response carrying a stable, namespaced error
slug.
Emitted for most 4xx responses (business 400, 403, 404,
409, …) and
for 503 when a downstream dependency is unavailable.
- example:
title: Service Unavailable
status: 503
detail: Background-jobs service is temporarily unavailable.
code: backgroundJob.upstreamUnavailable
example:
title: Service Unavailable
status: 503
detail: >-
The mailbox provider could not be reached to price this
request. Retry the request.
code: procurementOrder.temporarilyUnavailable
components:
securitySchemes:
bearerAuth:
type: http
scheme: bearer
description: >-
Authenticate every request with a Bearer token. Pass your Reply API key
in the
`Authorization` header:
```
Authorization: Bearer
```
Get your API key from the Reply dashboard: **Settings → API Key**.
````
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