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Vaaya Zep Add — Append Messages to a Zep Memory Thread
x402
Vaaya Zep Add — Append Messages to a Zep Memory Thread is a paid API for AI agents from vaaya.ai, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).
Appends one or more messages to a named Zep memory thread so that agent conversation history is persisted and retrievable across sessions.
Price / call$0.01
Success—
StatusUnknown
How this service works
Give an AI agent a credit account. Set a limit and a spending policy, and the agent makes approved, metered purchases from providers that accept Vaaya.
Output
Returns a confirmation that the messages were appended to the specified Zep thread. If return_context is true, the response also includes the updated thread context object containing the full conversation history and any derived memory facts.
Example use cases
Persist multi-turn agent conversation
“Save the latest exchange to my Zep thread 'support-chat-88': the user said 'Can I get a refund?' and the assistant replied 'Yes, refunds are processed within 5 business days.' Return the updated context so I can use it in the next turn.”
Log onboarding dialogue to memory
“Append these messages to Zep thread 'onboarding-flow-user-17': user message 'What features does the Pro plan include?' and assistant message 'The Pro plan includes unlimited exports, priority support, and advanced analytics.'”
Store background research turns for research agent
“Add a new assistant message to Zep thread 'research-agent-session-3' with the content: 'I found that global EV adoption grew 35% year-over-year in 2023.' — the role should be assistant.”
Technical details
Endpoint
POSThttps://vaaya.ai/api/run/zep/addWhen to prefer
Use this endpoint when your AI agent needs to persist conversation turns to a Zep-backed long-term memory store without setting up a Zep account or API key directly. Ideal for agents already using the Vaaya platform that want managed memory append operations at $0.01 per call. Prefer this over direct Zep SDK calls when you want zero-config memory persistence inside a Vaaya agent workflow.
Side effects
- Missing thread_id or empty string — 400 validation error
- Empty messages array or messages with missing role/content — 400 validation error
- Thread does not exist — may create a new thread or return 404 depending on Zep backend configuration
- Invalid bodyType — request rejected before reaching Zep
- Payment failure (x402) — call not executed, 402 response returned
- Network timeout to upstream Zep service — 503 or timeout error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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