# Santorini Sunset Reference Image

> Santorini Sunset Reference Image is a paid API for AI agents from underground.substratesymposium.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-10).

Returns a curated Santorini sunset image for use as a visual reference or aesthetic inspiration in a library context.

## Facts

- Endpoint: GET https://underground.substratesymposium.com/buy/santorini_sunset?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-10
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/santorini-sunset-reference-image-d24e7430
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_f_DOpkaBYX4hj_yVMpjmo

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 santorini-sunset-reference-image-d24e7430
```

Example prompt: Can you fetch the Santorini sunset image from the reference library for me? I want to use it as an iconic aesthetic example in my mood board.

## When to prefer this

Choose this endpoint when you need a pre-curated, iconic Santorini sunset image for aesthetic reference, mood boards, or visual inspiration without the need to search or generate an image. It is best suited for agents building reference libraries or seeking a specific, well-known Mediterranean sunset aesthetic on demand.

## Known failure modes

- Payment not processed — 402 response if USDC payment of $0.01 is not completed
- Resource not available — 404 if the endpoint is temporarily down
- Rate limiting or access errors if called too frequently
- Malformed response if the image content is unavailable on the server

## How this service works

Santorini Sunset — Iconic beauty for reference library and peak aesthetic experience.

## Output

Returns a Santorini sunset image or image resource, described as iconic and suitable for reference libraries and aesthetic inspiration purposes, delivered via a simple GET response.

## 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"
    },
    "queryParams": {
     "type": "object",
     "properties": {}
    }
   },
   "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/santorini-sunset-reference-image-d24e7430/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from underground.substratesymposium.com](https://www.zero.xyz/host/underground.substratesymposium.com/llms.txt)