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Append Transcript

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

Append messages to a session transcript.

session_id
required
Session Id
string format: uuid
org
required
Org

Organization slug

string

Organization slug

workspace
required
Workspace

Workspace slug

string

Workspace slug

AppendTranscriptRequest

Batch append messages to a session transcript.

object
context
Any of:
TranscriptContext

Agent/model context — include on first call or when either changes.

object
agent
Any of:
string
model
required
Model

Model identifier

string
system_prompt
Any of:
string
messages
required
Messages

Messages to append

Array<object>
>= 1 items <= 500 items
MessageCreate

Single message for transcript append.

object
content
Content

Message content

string
""
id
Any of:
string format: uuid
metadata
Any of:
object
key
additional properties
any
parent_id
Any of:
string format: uuid
role
required
Role

Message role

string
/^(user|assistant|tool|system)$/
tool_call_id
Any of:
string
tool_calls
Any of:
Array<object>
ToolCallCreate

Tool call as emitted by the model.

object
arguments
required
Arguments

JSON-encoded arguments

string
id
required
Id

Tool call ID (e.g. ‘call_abc’)

string
name
required
Name

Tool name

string
usage
Any of:
MessageUsage

Per-message token usage, populated on assistant messages only.

object
cache_creation_input_tokens
Cache Creation Input Tokens
integer
0
cache_read_input_tokens
Cache Read Input Tokens
integer
0
input_tokens
Input Tokens
integer
0
output_tokens
Output Tokens
integer
0

Successful Response

AppendTranscriptResponse

Result of appending messages.

object
first_seq
required
First Seq
integer
last_seq
required
Last Seq
integer
persisted_count
required
Persisted Count
integer

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