Error Glossary - Reply API Documentation

Error Response Format

All API errors follow RFC 9457 Problem Details:

{
  "title": "Not Found",
  "status": 404,
  "detail": "Sequence with ID 42 was not found",
  "errorCode": 1
}

Field	Type	Description
title	string	Error category (e.g., “Not Found”, “Bad Request”, “Conflict”)
status	integer	HTTP status code
detail	string	Human-readable explanation of the specific error
errorCode	integer	Domain-specific error code for programmatic handling

HTTP Status Codes

Status	Title	When
400	Bad Request	Invalid input, pagination, or filter parameters
401	Unauthorized	Missing or invalid API key
403	Forbidden	Insufficient permissions for the resource
404	Not Found	Resource does not exist
409	Conflict	State conflict, duplicate name, or archived resource
429	Too Many Requests	Rate limit exceeded

Domain Error Codes

Error codes are scoped per domain. The same numeric code may have different meanings across domains.

Sequences

errorCode	Name	HTTP	Description
1	NotFound	404	Sequence not found
2	Forbidden	403	Access forbidden
3	SchedulerNotFound	404	Associated scheduler not found
4	EmailAccountNotFound	404	Associated email account not found
5	LinkedInAccountNotFound	404	Associated LinkedIn account not found
6	SequenceArchived	409	Sequence is archived
7	InvalidStep	400	Invalid step configuration
8	EmptySubject	400	Email template subject is empty
9	EmailTemplateNotFound	404	Email template not found
10	InvalidPagination	400	Invalid pagination parameters

Sequence Actions

errorCode	Name	HTTP	Description
0	Unknown	400	Unknown error
1	NotFound	404	Sequence not found
2	Forbidden	403	Access forbidden
3	Archived	409	Sequence is already archived
4	New	409	Sequence is in New status
5	Active	409	Sequence is already active
6	NoContacts	400	Sequence has no contacts
7	NoEmailAccounts	400	Sequence has no email accounts
8	SalesAgentNotAllowed	403	Sales agent is not allowed
9	Status	409	Invalid status transition
10	OwnerLimitExceeded	400	Owner sequence limit exceeded
11	TeamMemberNotFound	400	Team member not found

Sequence Steps

errorCode	Name	HTTP	Description
1	InvalidInput	400	Invalid input data
2	InvalidStep	400	Invalid step configuration
3	InternalError	400	Internal processing error
4	NotFound	404	Step not found
5	StepLocked	400	Step is locked and cannot be modified
6	UnsupportedOperation	400	Operation not supported for this step type
7	StepLockedHasChildren	400	Step is locked because it has child steps
8	StepLockedSubjectSource	400	Step is locked as subject source
9	StepLockedSubjectSourceWithChildren	400	Step is locked as subject source with children

Sequence Contacts

errorCode	Name	HTTP	Description
1	InvalidInput	400	Invalid input data
2	SequenceNotFound	404	Sequence not found
3	NoStepsInSequence	400	Sequence has no steps
4	InternalError	400	Internal error
5	ContactLimitExceeded	400	Contact limit for sequence exceeded
6	ContactAlreadyInSequence	409	Contact already in sequence
7	ContactNotFound	404	Contact not found
8	NotInSequence	404	Contact not in sequence
9	InvalidStatusTransition	409	Invalid status transition
10	SequenceArchived	409	Sequence is archived
11	Forbidden	403	Access forbidden

Sequence Templates

errorCode	Name	HTTP	Description
1	NotFound	404	Template not found
2	DuplicateName	409	Template name already exists
3	Forbidden	403	Access forbidden
4	SequenceNotFound	404	Associated sequence not found
5	InvalidScope	400	Invalid template scope
6	OrgTemplatesDisabled	403	Organization-wide templates are disabled

Sequence Folders

errorCode	Name	HTTP	Description
1	NotFound	404	Folder not found
2	DuplicateName	409	Folder name already exists
3	Forbidden	403	Access forbidden
4	InvalidPagination	400	Invalid pagination parameters
5	InvalidSort	400	Invalid sort parameter

Sequence Email Accounts

errorCode	Name	HTTP	Description
1	NotFound	404	Email account not found
2	Forbidden	403	Access forbidden
3	LimitReached	409	Limit reached
4	Common	400	General error

Contacts

errorCode	Name	HTTP	Description
1	NotFound	404	Contact not found
2	InvalidInput	400	Invalid input
3	Forbidden	403	Access forbidden
4	Duplicate	400	Contact already exists
5	InvalidPagination	400	Invalid pagination
6	LimitExceeded	400	Contact limit exceeded
7	EmailAccountNotFound	400	Email account not found
8	ContactInBlackList	400	Contact is in blacklist
9	EmailSendingFailed	400	Email sending failed
10	SequenceNotFound	400	Sequence not found

Accounts

errorCode	Name	HTTP	Description
1	NotFound	404	Account not found
2	Forbidden	403	Access forbidden
3	InvalidInput	400	Invalid input
4	InvalidPagination	400	Invalid pagination parameters

Contact Lists

errorCode	Name	HTTP	Description
1	NotFound	404	List not found
2	Forbidden	403	Access forbidden
3	DuplicateName	409	List name already exists
4	NameTooShort	400	Name too short
5	NameIsEmpty	400	Name is empty
6	AccessChangeRejected	400	Access change rejected
7	InvalidPagination	400	Invalid pagination parameters
8	ContactNotProcessed	400	Contact not processed

Contact Blacklist Rules

errorCode	Name	HTTP	Description
1	NotFound	404	Rule not found
2	Duplicate	409	Rule already exists
3	GlobalRuleReadOnly	403	Global rule cannot be modified
4	InvalidPattern	400	Invalid blacklist pattern
5	NotAdded	400	Rule was not added
6	InvalidPagination	400	Invalid pagination parameters

Custom Fields

errorCode	Name	HTTP	Description
1	NotFound	404	Field not found
2	InvalidInput	400	Invalid input
3	Forbidden	403	Access forbidden
4	DuplicateName	409	Field name already exists
5	LimitExceeded	400	Custom field limit exceeded
6	HasValues	400	Field has existing values and cannot be deleted

Email Accounts

errorCode	Name	HTTP	Description
1	InvalidInput	400	Invalid input
2	LimitReached	409	Account limit reached
3	InternalError	400	Internal error
4	NotFound	404	Email account not found
5	Forbidden	403	Access forbidden
6	ConnectionFailed	400	Connection test failed
7	InvalidPagination	400	Invalid pagination parameters

Email Templates

errorCode	Name	HTTP	Description
1	NotFound	404	Template not found
2	DuplicateName	409	Template name already exists
3	Forbidden	403	Access forbidden
4	InvalidPagination	400	Invalid pagination parameters
5	InvalidFilter	400	Invalid filter parameters
6	FolderNotFound	404	Template folder not found
7	AttachmentNotFound	404	Attachment not found
8	EmailAccountNotFound	404	Email account not found
9	ContactNotFound	404	Contact not found
10	RenderFailed	400	Template rendering failed
11	SendTestFailed	400	Test email sending failed
12	TooManyAttachments	400	Too many attachments

Email Template Folders

errorCode	Name	HTTP	Description
1	NotFound	404	Folder not found
2	DuplicateName	409	Folder name already exists
3	Forbidden	403	Access forbidden
4	AlreadyShared	409	Folder is already shared
5	IsDefault	400	Cannot modify default folder

Holiday Calendars

errorCode	Name	HTTP	Description
1	NotFound	404	Calendar not found
2	Forbidden	403	Access forbidden
3	DuplicateName	409	Calendar name already exists
4	NotCustomCalendar	400	Only custom calendars can be modified

LinkedIn Accounts

errorCode	Name	HTTP	Description
1	InvalidInput	400	Invalid input
2	NotFound	404	LinkedIn account not found
3	AccountInUse	409	Account is in use
4	CookieInvalid	400	LinkedIn cookie is invalid
5	LimitReached	400	Account limit reached
6	PaymentFailed	400	Payment verification failed
7	InternalError	400	Internal error
8	VoiceProfileConflict	400	Voice profile conflict

Schedulers

errorCode	Name	HTTP	Description
1	NotFound	404	Scheduler not found
2	DeleteRejected	403	Cannot delete scheduler
3	DuplicateName	409	Scheduler name already exists
4	InvalidTimezone	400	Invalid timezone identifier
5	HolidayCalendarNotFound	404	Holiday calendar not found
6	Forbidden	403	Access forbidden
7	LinkNotFound	400	Calendar link not found
8	AlreadyLinked	409	Calendar already linked

Tasks

errorCode	Name	HTTP	Description
1	NotFound	404	Task not found
2	InvalidInput	400	Invalid input
3	CanOnlyEditNewTasks	400	Can only edit tasks in New status
4	CannotChangeSequenceTaskType	400	Cannot change type of sequence task
5	CannotChangeSequenceTaskContact	400	Cannot change contact of sequence task
6	InvalidDates	400	Invalid date values
7	CannotComplete	409	Cannot complete in current state
8	CannotDelete	409	Cannot delete in current state
9	RenderError	409	Template rendering error
10	TooManyAttachments	400	Too many attachments
11	ContactNotAccessible	400	Contact is not accessible
12	Forbidden	403	Access forbidden
13	InvalidPagination	400	Invalid pagination parameters
14	TooManyTasksToDelete	400	Too many tasks in single delete request

Introduction

API Documentation

​Error Response Format

​HTTP Status Codes

​Domain Error Codes

​Sequences

​Sequence Actions

​Sequence Steps

​Sequence Contacts

​Sequence Templates

​Sequence Folders

​Sequence Email Accounts

​Contacts

​Accounts

​Contact Lists

​Contact Blacklist Rules

​Custom Fields

​Email Accounts

​Email Templates

​Email Template Folders

​Holiday Calendars

​LinkedIn Accounts

​Schedulers

​Tasks

Error Response Format

HTTP Status Codes

Domain Error Codes

Sequences

Sequence Actions

Sequence Steps

Sequence Contacts

Sequence Templates

Sequence Folders

Sequence Email Accounts

Contacts

Accounts

Contact Lists

Contact Blacklist Rules

Custom Fields

Email Accounts

Email Templates

Email Template Folders

Holiday Calendars

LinkedIn Accounts

Schedulers

Tasks