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OpenAPI Specification
openapi: 3.2.0
info:
title: Stakpak Agents API
description: API for the Stakpak platform
license:
name: ''
version: 1.0.0
servers:
- url: https://apiv2.stakpak.dev
description: Production server
- url: http://localhost:4000
description: Local server
tags:
- name: Agents
description: Agents API
paths:
/v1/agents/checkpoints/{checkpoint_id}:
get:
tags:
- Agents
summary: Get Agent Checkpoint Details
operationId: get_agent_checkpoint_handler
parameters:
- name: checkpoint_id
in: path
description: Checkpoint ID
required: true
schema:
type: string
format: uuid
responses:
'200':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/RunAgentOutput'
'400':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
'404':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
security:
- Api Key: []
/v1/agents/memories:
get:
tags:
- Agents
summary: List Agent Memories
operationId: get_agent_memories_handler
responses:
'200':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/GetAgentMemoriesResponse'
'400':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
security:
- Api Key: []
/v1/agents/sessions:
get:
tags:
- Agents
summary: List Agent Sessions
operationId: get_agent_sessions_handler
parameters:
- name: flow_name
in: query
required: false
schema:
type:
- string
- 'null'
- name: flow_version_id
in: query
required: false
schema:
type:
- string
- 'null'
- name: limit
in: query
required: false
schema:
type:
- integer
- 'null'
format: int32
minimum: 0
- name: offset
in: query
required: false
schema:
type:
- integer
- 'null'
format: int32
minimum: 0
responses:
'200':
description: ''
content:
application/json:
schema:
type: array
items:
$ref: '#/components/schemas/AgentSession'
'400':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
security:
- Api Key: []
/v1/agents/sessions/checkpoints/{checkpoint_id}/extract-memory:
post:
tags:
- Agents
summary: Extract Agent Session Memory
operationId: post_agent_session_extract_memory_handler
parameters:
- name: checkpoint_id
in: path
description: Checkpoint ID
required: true
schema:
type: string
format: uuid
responses:
'200':
description: ''
content:
application/json:
schema:
type: array
items:
$ref: '#/components/schemas/MemoryBlock'
'400':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
'404':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
security:
- Api Key: []
/v1/agents/sessions/stats:
get:
tags:
- Agents
summary: Get User Session Usage Statistics for Dashboard
operationId: get_agent_sessions_stats_handler
parameters:
- name: from_date
in: query
required: false
schema:
type:
- string
- 'null'
- name: to_date
in: query
required: false
schema:
type:
- string
- 'null'
- name: limit
in: query
required: false
schema:
type:
- integer
- 'null'
format: int32
minimum: 0
- name: offset
in: query
required: false
schema:
type:
- integer
- 'null'
format: int32
minimum: 0
responses:
'200':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/SessionUsageAnalysis'
'400':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
security:
- Api Key: []
/v1/agents/sessions/{id}/visibility:
patch:
tags:
- Agents
summary: Update Agent Session Visibility
operationId: patch_agent_session_visibility_handler
parameters:
- name: id
in: path
description: Session ID
required: true
schema:
type: string
format: uuid
requestBody:
content:
application/json:
schema:
$ref: '#/components/schemas/UpdateSessionVisibilityPayload'
required: true
responses:
'200':
description: Session visibility updated successfully
'400':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
'403':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
'404':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
security:
- Api Key: []
/v1/agents/sessions/{session_id}:
get:
tags:
- Agents
summary: Get Agent Session Details
operationId: get_agent_session_handler
parameters:
- name: session_id
in: path
description: Session ID
required: true
schema:
type: string
format: uuid
responses:
'200':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/RunAgentOutput'
'400':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
'404':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
security:
- Api Key: []
/v1/agents/sessions/{session_id}/checkpoints/latest:
get:
tags:
- Agents
summary: Get Agent Session Latest Checkpoint
operationId: get_agent_session_latest_checkpoint_handler
parameters:
- name: session_id
in: path
description: Session ID
required: true
schema:
type: string
format: uuid
responses:
'200':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/RunAgentOutput'
'400':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
'404':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
security:
- Api Key: []
/v1/agents/sessions/{session_id}/stats:
get:
tags:
- Agents
summary: Get Single Session Usage Statistics
operationId: get_agent_session_stats_handler
parameters:
- name: session_id
in: path
description: Session ID
required: true
schema:
type: string
format: uuid
responses:
'200':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/SessionUsageAnalysis'
'400':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
'404':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
security:
- Api Key: []
/v2/{account}/agents/sessions/checkpoints/{checkpoint_id}/extract-memory:
post:
tags:
- Agents
summary: Extract Agent Session Memory
operationId: postV2ByAccountAgentsSessionsCheckpointsByCheckpointIdExtractMemory
parameters:
- name: account
in: path
description: Account name
required: true
schema:
type: string
- name: checkpoint_id
in: path
description: Checkpoint ID
required: true
schema:
type: string
format: uuid
responses:
'200':
description: ''
content:
application/json:
schema:
type: array
items:
$ref: '#/components/schemas/MemoryBlock'
'400':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
'404':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
security:
- Api Key: []
x-operation-id-source: normalized
x-operation-id-original: post_agent_session_extract_memory_handler
components:
schemas:
FlowRef:
oneOf:
- type: object
required:
- owner_name
- flow_name
- version_id
- type
properties:
flow_name:
type: string
owner_name:
type: string
type:
type: string
enum:
- Version
version_id:
type: string
- type: object
required:
- owner_name
- flow_name
- tag_name
- type
properties:
flow_name:
type: string
owner_name:
type: string
tag_name:
type: string
type:
type: string
enum:
- Tag
ChatMessage:
type: object
required:
- role
properties:
completed_at:
type:
- integer
- 'null'
format: int64
description: Unix timestamp (ms) when assistant finished generating
content:
oneOf:
- type: 'null'
- $ref: '#/components/schemas/MessageContent'
cost:
type:
- number
- 'null'
format: double
description: Cost in dollars for this message
created_at:
type:
- integer
- 'null'
format: int64
description: Unix timestamp (ms) when message was created/sent
finish_reason:
type:
- string
- 'null'
description: 'Why the model stopped: "stop", "tool_calls", "length", "error"'
id:
type:
- string
- 'null'
description: Unique message identifier
metadata:
description: Plugin extensibility - unstructured metadata
model:
oneOf:
- type: 'null'
- $ref: '#/components/schemas/ModelInfo'
description: Model that generated this message (for assistant messages)
name:
type:
- string
- 'null'
role:
$ref: '#/components/schemas/Role'
tool_call_id:
type:
- string
- 'null'
tool_calls:
type:
- array
- 'null'
items:
$ref: '#/components/schemas/ToolCall'
usage:
oneOf:
- type: 'null'
- $ref: '#/components/schemas/LLMTokenUsage'
AgentStatus:
type: string
enum:
- RUNNING
- COMPLETE
- BLOCKED
- FAILED
FunctionCall:
type: object
required:
- name
- arguments
properties:
arguments:
type: string
name:
type: string
ErrorBody:
type: object
required:
- key
- message
properties:
key:
type: string
message:
type: string
ContentPart:
type: object
required:
- type
properties:
image_url:
oneOf:
- type: 'null'
- $ref: '#/components/schemas/ImageUrl'
text:
type:
- string
- 'null'
type:
type: string
GetAgentMemoriesResponse:
type: object
required:
- results
properties:
results:
type: array
items:
$ref: '#/components/schemas/MemoryBlock'
AgentCheckpointListItem:
type: object
required:
- id
- status
- execution_depth
- created_at
- updated_at
properties:
created_at:
type: string
format: date-time
execution_depth:
type: integer
minimum: 0
id:
type: string
format: uuid
parent:
oneOf:
- type: 'null'
- $ref: '#/components/schemas/AgentParentCheckpoint'
status:
$ref: '#/components/schemas/AgentStatus'
updated_at:
type: string
format: date-time
MemoryBlock:
type: object
required:
- id
- uri
- title
- content
- mime_type
- tags
- links_to
- linked_from
properties:
content:
type: string
created_at:
type:
- string
- 'null'
format: date-time
id:
type: string
format: uuid
linked_from:
type: array
items:
$ref: '#/components/schemas/MemoryBlockLink'
links_to:
type: array
items:
$ref: '#/components/schemas/MemoryBlockLink'
mime_type:
type: string
tags:
type: array
items:
type: string
title:
type: string
updated_at:
type:
- string
- 'null'
format: date-time
uri:
type: string
LLMTokenUsage:
type: object
required:
- prompt_tokens
- completion_tokens
- total_tokens
properties:
completion_tokens:
type: integer
format: int32
minimum: 0
prompt_tokens:
type: integer
format: int32
minimum: 0
prompt_tokens_details:
oneOf:
- type: 'null'
- $ref: '#/components/schemas/PromptTokensDetails'
total_tokens:
type: integer
format: int32
minimum: 0
ErrorResponse:
type: object
required:
- error
properties:
error:
$ref: '#/components/schemas/ErrorBody'
Role:
type: string
enum:
- system
- developer
- user
- assistant
- tool
SessionUsageAnalysis:
type: object
required:
- analysis_period
- total_sessions
- sessions_with_activity
- tools_usage
- total_tool_calls
- successful_tool_calls
- failed_tool_calls
- aborted_tool_calls
- total_time_saved_seconds
properties:
aborted_tool_calls:
type: integer
format: int32
minimum: 0
analysis_period:
type: string
failed_tool_calls:
type: integer
format: int32
minimum: 0
from_date:
type:
- string
- 'null'
sessions_with_activity:
type: integer
format: int32
minimum: 0
successful_tool_calls:
type: integer
format: int32
minimum: 0
to_date:
type:
- string
- 'null'
tools_usage:
type: array
items:
$ref: '#/components/schemas/ToolUsageStats'
total_sessions:
type: integer
format: int32
minimum: 0
total_time_saved_seconds:
type: integer
format: int32
minimum: 0
total_tool_calls:
type: integer
format: int32
minimum: 0
AgentOutput:
oneOf:
- type: object
required:
- messages
- node_states
- agent_id
properties:
agent_id:
type: string
enum:
- pablo:v1
messages:
type: array
items:
$ref: '#/components/schemas/ChatMessage'
node_states:
type: object
additionalProperties: {}
propertyNames:
type: string
UpdateSessionVisibilityPayload:
type: object
required:
- visibility
properties:
visibility:
$ref: '#/components/schemas/AgentSessionVisibility'
MessageContent:
oneOf:
- type: string
- type: array
items:
$ref: '#/components/schemas/ContentPart'
MemoryBlockLinkType:
type: string
enum:
- NEAR
- LEADS_TO
- CONTAINS
- EXPRESS
ToolCallCounts:
type: object
required:
- successful
- failed
- aborted
- total
properties:
aborted:
type: integer
format: int32
minimum: 0
failed:
type: integer
format: int32
minimum: 0
successful:
type: integer
format: int32
minimum: 0
total:
type: integer
format: int32
minimum: 0
RunAgentOutput:
type: object
required:
- checkpoint
- session
- output
- token_usage
properties:
checkpoint:
$ref: '#/components/schemas/AgentCheckpointListItem'
output:
$ref: '#/components/schemas/AgentOutput'
session:
$ref: '#/components/schemas/AgentSessionListItem'
token_usage:
$ref: '#/components/schemas/LLMTokenUsage'
ToolCall:
type: object
required:
- id
- type
- function
properties:
function:
$ref: '#/components/schemas/FunctionCall'
id:
type: string
type:
type: string
PromptTokensDetails:
type: object
properties:
cache_read_input_tokens:
type: integer
format: int32
minimum: 0
cache_write_input_tokens:
type: integer
format: int32
minimum: 0
input_tokens:
type: integer
format: int32
minimum: 0
output_tokens:
type: integer
format: int32
minimum: 0
MemoryBlockLink:
type: object
required:
- id
- uri
- title
properties:
id:
type: string
format: uuid
reason:
type:
- string
- 'null'
title:
type: string
type:
oneOf:
- type: 'null'
- $ref: '#/components/schemas/MemoryBlockLinkType'
uri:
type: string
AgentSession:
type: object
required:
- id
- title
- agent_id
- visibility
- checkpoints
- created_at
- updated_at
properties:
agent_id:
$ref: '#/components/schemas/AgentID'
checkpoints:
type: array
items:
$ref: '#/components/schemas/AgentCheckpointListItem'
created_at:
type: string
format: date-time
flow_ref:
oneOf:
- type: 'null'
- $ref: '#/components/schemas/FlowRef'
id:
type: string
format: uuid
owner:
oneOf:
- type: 'null'
- $ref: '#/components/schemas/AgentSessionOwner'
title:
type: string
updated_at:
type: string
format: date-time
visibility:
$ref: '#/components/schemas/AgentSessionVisibility'
AgentSessionVisibility:
type: string
enum:
- PRIVATE
- PUBLIC
AgentSessionListItem:
type: object
required:
- id
- title
- agent_id
- visibility
- created_at
- updated_at
properties:
agent_id:
$ref: '#/components/schemas/AgentID'
created_at:
type: string
format: date-time
flow_ref:
oneOf:
- type: 'null'
- $ref: '#/components/schemas/FlowRef'
id:
type: string
format: uuid
owner:
oneOf:
- type: 'null'
- $ref: '#/components/schemas/AgentSessionOwner'
title:
type: string
updated_at:
type: string
format: date-time
visibility:
$ref: '#/components/schemas/AgentSessionVisibility'
AgentParentCheckpoint:
type: object
required:
- id
properties:
id:
type: string
format: uuid
AgentID:
type: string
enum:
- pablo:v1
ImageUrl:
type: object
required:
- url
properties:
detail:
type:
- string
- 'null'
url:
type: string
AgentSessionOwner:
type: object
required:
- name
properties:
name:
type: string
ToolUsageStats:
type: object
required:
- tool_name
- display_name
- usage_counts
properties:
display_name:
type: string
time_saved_per_call:
type:
- integer
- 'null'
format: int32
minimum: 0
time_saved_seconds:
type:
- integer
- 'null'
format: int32
minimum: 0
tool_name:
type: string
usage_counts:
$ref: '#/components/schemas/ToolCallCounts'
ModelInfo:
type: object
description: Model information for tracking which model generated a message
required:
- provider
- id
properties:
id:
type: string
description: Model identifier (e.g., "claude-sonnet-4-20250514", "gpt-4")
provider:
type: string
description: Provider name (e.g., "anthropic", "openai")
securitySchemes:
Api_Key:
type: http
scheme: bearer
bearerFormat: JWT
Token:
type: http
scheme: bearer
bearerFormat: JWT
cookie:
type: apiKey
in: cookie
name: .idToken