# Signal Forge Studio - Digital Art and Seller Kits

> Signal Forge Studio - Digital Art and Seller Kits is a paid API for AI agents from signalforgestudios.com, paid per call via x402, $0.03/call, status unknown (last checked 2026-09-15).

## Facts

- Endpoint: POST https://signalforgestudios.com/x402/listing-optimizer
- Price: $0.03/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-listing-optimizer-53742f66
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Y9tXHCkRoKHVQF5YUsFeA

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 x402-listing-optimizer-53742f66 -d '<json body>'
```

## How this service works

Signal Forge Studio makes printable wall art and small digital kits for online sellers.

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "data": {
   "listing": {
    "title": "Sample Studio Linen Table Runner Natural White",
    "bullets": [
     "100% linen",
     "Natural white",
     "Measures 14 x 72 inches"
    ]
   },
   "warnings": [],
   "provenance": {
    "facts": "customer_supplied_not_independently_verified"
   },
   "validation": {
    "title_within_limit": true
   },
   "limitations": [
    "No search-volume or ranking prediction."
   ]
  },
  "meta": {
   "example_only": true
  },
  "success": true
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-listing-optimizer-53742f66/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from signalforgestudios.com](https://www.zero.xyz/host/signalforgestudios.com/llms.txt)