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Unarchive Session

POST
/api/v1/org/{org}/ws/{workspace}/sessions/{session_id}/unarchive

Unarchive a session (SES-ARC-003). Idempotent.

session_id
required
Session Id
string format: uuid
org
required
Org

Organization slug

string

Organization slug

workspace
required
Workspace

Workspace slug

string

Workspace slug

Successful Response

SessionResponse

Session response for list and detail views.

object
agent
required
Any of:
string
archived_at
required
Any of:
string format: date-time
created_at
required
Created At
string format: date-time
created_by
Any of:
SessionCreatorResponse

Small denormalized view of the session creator for list/detail render.

Included alongside user_id so UI can show an email chip without a follow-up request. Pulled from the eager-loaded SessionORM.user.

object
email
required
Email
string
full_name
Any of:
string
id
required
Id
string format: uuid
username
required
Username
string
frozen_at
required
Any of:
string format: date-time
frozen_by
required
Any of:
string
Allowed values: evaluation user
id
required
Id
string format: uuid
labels
Labels

Labels attached to this session as {key: [value, ...]}.

object
key
additional properties
Array<string>
last_message_at
required
Any of:
string format: date-time
message_count
required
Message Count
integer
model
required
Model
string
origin
Origin

Session origin (SES-ORG-001). user for interactive sessions, eval for evaluation-worker sessions, worker for capability-worker sessions.

string
default: user
Allowed values: user eval worker
preview_text
Any of:
string
project_id
required
Any of:
string format: uuid
project_name
required
Any of:
string
runtime_id
required
Any of:
string format: uuid
title
required
Any of:
string
updated_at
required
Updated At
string format: date-time
usage
required
SessionUsageResponse

Aggregated token usage for a session.

All fields are derived at read time from per-message usage columns on session_messages. Pre-migration sessions (no usage data) report zeros; new sessions with no inference yet report zeros and last_generation_input_tokens=None.

object
compaction_count
required
Compaction Count
integer
current_cache_creation_input_tokens
required
Current Cache Creation Input Tokens
integer
current_cache_read_input_tokens
required
Current Cache Read Input Tokens
integer
current_input_tokens
required
Current Input Tokens
integer
current_output_tokens
required
Current Output Tokens
integer
last_generation_input_tokens
required
Any of:
integer
total_cache_creation_input_tokens
required
Total Cache Creation Input Tokens
integer
total_cache_read_input_tokens
required
Total Cache Read Input Tokens
integer
total_input_tokens
required
Total Input Tokens
integer
total_output_tokens
required
Total Output Tokens
integer
user_id
required
User Id
string format: uuid
visibility
required
Visibility
string
Allowed values: private workspace
workspace_id
required
Workspace Id
string format: uuid

Invalid request

APIErrorPayload

Canonical API error envelope returned by the API.

object
code
required
Code

HTTP status code

integer
Allowed values: 400 401 403 404 409 422 426 429 500 502 504
detail
required
Detail

Human-readable error message

string
errors
Any of:
Array<object>
ValidationErrorItem
object
loc
required
Loc

Where the validation error occurred

Array
msg
required
Msg

Human-readable validation message

string
type
required
Type

Machine-readable validation error type

string
type
required
Type

Stable machine-readable error type

string
Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error token_error upgrade_required_error usage_limit_exceeded_error user_verification_error validation_error

Authentication failed

APIErrorPayload

Canonical API error envelope returned by the API.

object
code
required
Code

HTTP status code

integer
Allowed values: 400 401 403 404 409 422 426 429 500 502 504
detail
required
Detail

Human-readable error message

string
errors
Any of:
Array<object>
ValidationErrorItem
object
loc
required
Loc

Where the validation error occurred

Array
msg
required
Msg

Human-readable validation message

string
type
required
Type

Machine-readable validation error type

string
type
required
Type

Stable machine-readable error type

string
Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error token_error upgrade_required_error usage_limit_exceeded_error user_verification_error validation_error

Access forbidden

APIErrorPayload

Canonical API error envelope returned by the API.

object
code
required
Code

HTTP status code

integer
Allowed values: 400 401 403 404 409 422 426 429 500 502 504
detail
required
Detail

Human-readable error message

string
errors
Any of:
Array<object>
ValidationErrorItem
object
loc
required
Loc

Where the validation error occurred

Array
msg
required
Msg

Human-readable validation message

string
type
required
Type

Machine-readable validation error type

string
type
required
Type

Stable machine-readable error type

string
Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error token_error upgrade_required_error usage_limit_exceeded_error user_verification_error validation_error

Not found

APIErrorPayload

Canonical API error envelope returned by the API.

object
code
required
Code

HTTP status code

integer
Allowed values: 400 401 403 404 409 422 426 429 500 502 504
detail
required
Detail

Human-readable error message

string
errors
Any of:
Array<object>
ValidationErrorItem
object
loc
required
Loc

Where the validation error occurred

Array
msg
required
Msg

Human-readable validation message

string
type
required
Type

Machine-readable validation error type

string
type
required
Type

Stable machine-readable error type

string
Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error token_error upgrade_required_error usage_limit_exceeded_error user_verification_error validation_error

Already exists

APIErrorPayload

Canonical API error envelope returned by the API.

object
code
required
Code

HTTP status code

integer
Allowed values: 400 401 403 404 409 422 426 429 500 502 504
detail
required
Detail

Human-readable error message

string
errors
Any of:
Array<object>
ValidationErrorItem
object
loc
required
Loc

Where the validation error occurred

Array
msg
required
Msg

Human-readable validation message

string
type
required
Type

Machine-readable validation error type

string
type
required
Type

Stable machine-readable error type

string
Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error token_error upgrade_required_error usage_limit_exceeded_error user_verification_error validation_error

Validation error

APIErrorPayload

Canonical API error envelope returned by the API.

object
code
required
Code

HTTP status code

integer
Allowed values: 400 401 403 404 409 422 426 429 500 502 504
detail
required
Detail

Human-readable error message

string
errors
Any of:
Array<object>
ValidationErrorItem
object
loc
required
Loc

Where the validation error occurred

Array
msg
required
Msg

Human-readable validation message

string
type
required
Type

Machine-readable validation error type

string
type
required
Type

Stable machine-readable error type

string
Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error token_error upgrade_required_error usage_limit_exceeded_error user_verification_error validation_error

Upgrade required

APIErrorPayload

Canonical API error envelope returned by the API.

object
code
required
Code

HTTP status code

integer
Allowed values: 400 401 403 404 409 422 426 429 500 502 504
detail
required
Detail

Human-readable error message

string
errors
Any of:
Array<object>
ValidationErrorItem
object
loc
required
Loc

Where the validation error occurred

Array
msg
required
Msg

Human-readable validation message

string
type
required
Type

Machine-readable validation error type

string
type
required
Type

Stable machine-readable error type

string
Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error token_error upgrade_required_error usage_limit_exceeded_error user_verification_error validation_error

Rate limited

APIErrorPayload

Canonical API error envelope returned by the API.

object
code
required
Code

HTTP status code

integer
Allowed values: 400 401 403 404 409 422 426 429 500 502 504
detail
required
Detail

Human-readable error message

string
errors
Any of:
Array<object>
ValidationErrorItem
object
loc
required
Loc

Where the validation error occurred

Array
msg
required
Msg

Human-readable validation message

string
type
required
Type

Machine-readable validation error type

string
type
required
Type

Stable machine-readable error type

string
Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error token_error upgrade_required_error usage_limit_exceeded_error user_verification_error validation_error

Internal server error

APIErrorPayload

Canonical API error envelope returned by the API.

object
code
required
Code

HTTP status code

integer
Allowed values: 400 401 403 404 409 422 426 429 500 502 504
detail
required
Detail

Human-readable error message

string
errors
Any of:
Array<object>
ValidationErrorItem
object
loc
required
Loc

Where the validation error occurred

Array
msg
required
Msg

Human-readable validation message

string
type
required
Type

Machine-readable validation error type

string
type
required
Type

Stable machine-readable error type

string
Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error token_error upgrade_required_error usage_limit_exceeded_error user_verification_error validation_error

Bad gateway

APIErrorPayload

Canonical API error envelope returned by the API.

object
code
required
Code

HTTP status code

integer
Allowed values: 400 401 403 404 409 422 426 429 500 502 504
detail
required
Detail

Human-readable error message

string
errors
Any of:
Array<object>
ValidationErrorItem
object
loc
required
Loc

Where the validation error occurred

Array
msg
required
Msg

Human-readable validation message

string
type
required
Type

Machine-readable validation error type

string
type
required
Type

Stable machine-readable error type

string
Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error token_error upgrade_required_error usage_limit_exceeded_error user_verification_error validation_error

Gateway timeout

APIErrorPayload

Canonical API error envelope returned by the API.

object
code
required
Code

HTTP status code

integer
Allowed values: 400 401 403 404 409 422 426 429 500 502 504
detail
required
Detail

Human-readable error message

string
errors
Any of:
Array<object>
ValidationErrorItem
object
loc
required
Loc

Where the validation error occurred

Array
msg
required
Msg

Human-readable validation message

string
type
required
Type

Machine-readable validation error type

string
type
required
Type

Stable machine-readable error type

string
Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error token_error upgrade_required_error usage_limit_exceeded_error user_verification_error validation_error