# Vaaya Letta Agent Message

> Vaaya Letta Agent Message 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).

Send a message to a Letta AI agent hosted on Vaaya to trigger autonomous actions like outreach, enrichment, demos, and web-enabled tasks

## Facts

- Endpoint: POST https://vaaya.ai/api/run/letta/message
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/vaaya-letta-agent-message-be6bcdab
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_R0OCnFmInX3yMEIfxsCCW

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability vaaya-letta-agent-message-be6bcdab -d '<json body>'
```

Example prompt: Tell my Letta agent (agent_id: agent-abc123) to find and enrich the LinkedIn profile for John Smith at Acme Corp, then draft a personalized cold outreach email for him.

## When to prefer this

Choose this endpoint when you need to delegate complex multi-step tasks to a persistent, stateful Letta AI agent hosted on Vaaya — especially for tasks combining web access, contact enrichment, outreach, or content generation without needing to set up your own infrastructure or API keys.

## Known failure modes

- Missing or invalid agent_id returns 400 or agent-not-found error
- Malformed body or missing required fields returns schema validation error
- Agent timeout if underlying task is long-running
- Payment failure (insufficient USDC) blocks request
- Agent not initialized or unavailable returns 500 or agent error state

## 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 the agent's response object including any generated content, action outcomes, tool call results, or status updates from the Letta agent after processing the input message.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method",
    "bodyType",
    "body"
   ],
   "properties": {
    "body": {
     "type": "object",
     "$schema": "http://json-schema.org/draft-07/schema#",
     "required": [
      "agent_id"
     ],
     "properties": {
      "input": {
       "anyOf": [
        {
         "type": "string"
        },
        {
         "type": "array",
         "items": {}
        }
       ]
      },
      "agent_id": {
       "type": "string",
       "minLength": 1
      },
      "messages": {
       "type": "array",
       "items": {}
      }
     },
     "additionalProperties": true
    },
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "POST"
     ],
     "type": "string"
    },
    "bodyType": {
     "enum": [
      "json",
      "form-data",
      "text"
     ],
     "type": "string"
    },
    "pathParams": {
     "type": "object"
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/vaaya-letta-agent-message-be6bcdab/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from vaaya.ai](https://www.zero.xyz/host/vaaya.ai/llms.txt)