# Saylor Innovations Guide Library: Safe Outbound Email and Messaging

> Saylor Innovations Guide Library: Safe Outbound Email and Messaging is a paid API for AI agents from saylorinnovations.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-03).

Retrieves a curated knowledge guide on best practices for safe outbound email and messaging in AI and agent contexts

## Facts

- Endpoint: GET https://saylorinnovations.com/api/kb/safe-outbound-messaging?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-03
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/saylor-innovations-guide-library-safe-outbound-email-and-messaging-eafc1e74
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_lUtMIi6Ks0D5iPfFsngug

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 saylor-innovations-guide-library-safe-outbound-email-and-messaging-eafc1e74
```

Example prompt: Pull up the Saylor Innovations guide on safe outbound email and messaging for AI agents — I need to understand best practices before my agent starts sending automated emails.

## When to prefer this

Choose this endpoint when an agent or developer needs authoritative, curated written guidance on safe outbound email and messaging specifically tailored for AI and agentic use cases, rather than searching general web content or relying on unstructured documentation.

## Known failure modes

- HTTP 402 Payment Required if USDC micropayment is not provided
- HTTP 404 if the guide article is not found at this path
- HTTP 500 server error from the Saylor Innovations backend
- Empty or malformed JSON response if the content schema changes
- Network timeout if the host is unreachable

## How this service works

Safe Outbound Email and Messaging — AI & Agents

## Output

Returns a JSON object containing a guide article with fields including a unique ID, title (t), category (c), and the full guide body text, along with optional license and price metadata.

## 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"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "POST",
      "PUT",
      "PATCH",
      "DELETE",
      "HEAD"
     ],
     "type": "string"
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "json"
    },
    "example": {
     "type": "object",
     "required": [
      "id",
      "t",
      "c",
      "body"
     ],
     "properties": {
      "c": {
       "type": "string"
      },
      "t": {
       "type": "string"
      },
      "id": {
       "type": "string"
      },
      "body": {
       "type": "string"
      },
      "price": {
       "type": [
        "number",
        "null"
       ]
      },
      "license": {
       "type": "string"
      }
     }
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/saylor-innovations-guide-library-safe-outbound-email-and-messaging-eafc1e74/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from saylorinnovations.com](https://www.zero.xyz/host/saylorinnovations.com/llms.txt)