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Build conversational agents with Python. Agents use LLMs for reasoning, flows are deterministic WhatsApp workflows. Flows automatically inherit the WhatsApp configuration from the active conversation. Specify whatsapp_config_id on individual nodes only when you need to override that default.

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Quickstart

from kapso.builder.flows import Flow
from kapso.builder.flows.nodes import StartNode, SendTextNode, WaitForResponseNode, DecideNode
from kapso.builder.flows.nodes.decide import Condition

# Create flow
flow = Flow(name="support_flow")

# Add nodes
start = StartNode(id="start_1234")
greeting = SendTextNode(
    id="greeting_5678",
    message="Hi! How can I help you today?"
)
wait = WaitForResponseNode(
    id="wait_9012"
)
decide = DecideNode(
    id="decide_3456",
    provider_model_name="claude-sonnet-4-20250514",
    conditions=[
        Condition(label="order_help", description="Customer needs order help"),
        Condition(label="general", description="General question")
    ]
)
order_response = SendTextNode(
    id="order_response_7890",
    message="I'll help you with your order. Can you provide your order number?"
)
general_response = SendTextNode(
    id="general_response_1234",
    message="I'm here to help! What would you like to know?"
)

flow.add_node(start)
flow.add_node(greeting)
flow.add_node(wait)
flow.add_node(decide)
flow.add_node(order_response)
flow.add_node(general_response)

# Connect nodes
flow.add_edge("start_1234", "greeting_5678")
flow.add_edge("greeting_5678", "wait_9012")
flow.add_edge("wait_9012", "decide_3456")
flow.add_edge("decide_3456", "order_response_7890", label="order_help")
flow.add_edge("decide_3456", "general_response_1234", label="general")

flow.validate()
Deploy with kapso flow push support_flow
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