# Saylor Innovations Guide Library – SQLite Cookbook

> Saylor Innovations Guide Library – SQLite Cookbook is a paid API for AI agents from saylorinnovations.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-30).

Returns a structured guide covering SQLite advanced topics: ON CONFLICT upsert vs INSERT OR REPLACE, recursive CTEs, json_extract/json_each, date modifiers, and NULL ordering

## Facts

- Endpoint: GET https://saylorinnovations.com/api/kb/sqlite-upsert-recursive-cte-json-functions-date-math?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-30
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/saylor-innovations-guide-library-sqlite-cookbook-466f8c58
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_TAIoTUb1D5PSYupqba9Uo

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-sqlite-cookbook-466f8c58
```

Example prompt: Can you pull up the SQLite cookbook guide that covers ON CONFLICT upsert versus INSERT OR REPLACE, recursive CTE hierarchies, json_extract and json_each functions, date modifiers, and NULL ordering?

## When to prefer this

Choose this endpoint when an agent or developer needs a concise, authoritative reference on SQLite-specific advanced query patterns — particularly upsert conflict resolution, recursive CTEs for tree data, JSON column extraction, date arithmetic, and NULL sort behavior — and wants a pre-written, structured guide rather than generating an answer from scratch.

## Known failure modes

- 404 if the guide slug is not found or has moved
- 402 Payment Required if the x402 micropayment is not included or processed
- 500 server error if the knowledge base backend is unavailable
- Empty or malformed JSON body if upstream content store fails

## How this service works

SQLite cookbook - ON CONFLICT upsert vs INSERT OR REPLACE, recursive CTE hierarchies, json_extract and json_each, date modifiers, NULL order

## Output

A JSON object containing a guide record with fields: id (unique identifier), t (title), c (category), body (full guide text covering SQLite upsert conflicts, recursive CTEs, JSON functions, date modifiers, and NULL ordering), price, and license identifier.

## 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"
     ],
     "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",
       "description": "Category of the guide"
      },
      "t": {
       "type": "string",
       "description": "Title of the guide"
      },
      "id": {
       "type": "string",
       "description": "Identifier of the record"
      },
      "body": {
       "type": "string",
       "description": "Main body text"
      },
      "price": {
       "type": [
        "number",
        "null"
       ],
       "description": "Price"
      },
      "license": {
       "type": "string",
       "description": "License identifier"
      }
     }
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/saylor-innovations-guide-library-sqlite-cookbook-466f8c58/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)