Index onlineMerchant portal
Api Endpoint

x402-gateway-production.up.railway.app

x402engine — Quick image generation using FLUX Schnell (~2s, good for drafts)

Open interactive test console

Offering

Provider
x402-gateway-production.up.railway.app
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Other
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://x402-gateway-production.up.railway.app/api/image/fast
MIME type
Not provided
First seen
2026-10-19T02:52:31.557Z
Last seen
Tags
None supplied

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.015 USDC
Atomic price: 15000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
15000000000000000 atomic units
Atomic price: 15000000000000000 · Network: eip155:4326 · Asset: 0xFAfDdbb3FC7688494971a79cc65DCa3EF82079E7 · Scheme: exact
Payment option 3
0.015 USDC
Atomic price: 15000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "15000",
    "payTo": "0x7dd5Be069f2d2eAd75eC7C3423B116fF043c2629"
  },
  {
    "scheme": "exact",
    "network": "eip155:4326",
    "asset": "0xFAfDdbb3FC7688494971a79cc65DCa3EF82079E7",
    "amount": "15000000000000000",
    "payTo": "0x7dd5Be069f2d2eAd75eC7C3423B116fF043c2629"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "15000",
    "payTo": "Gzehfseq1k9AcHFSoV7qHmDGQx92nLMw78XXdqVWQQWa"
  }
]

Observed health

Status
Healthy
Latest latency
100 ms
Average latency
198 ms
HTTP status
204
Last checked
Reachability
100% over 12 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "additionalProperties": false,
  "properties": {
    "body": {
      "additionalProperties": false,
      "properties": {
        "height": {
          "default": 1024,
          "description": "Image height in pixels (256-2048)",
          "example": 1024,
          "type": "number"
        },
        "prompt": {
          "description": "Text description of image to generate",
          "example": "a red sports car",
          "type": "string"
        },
        "seed": {
          "description": "Random seed for reproducibility",
          "example": 42,
          "type": "number"
        },
        "width": {
          "default": 1024,
          "description": "Image width in pixels (256-2048)",
          "example": 1024,
          "type": "number"
        }
      },
      "required": [
        "prompt"
      ],
      "type": "object"
    },
    "bodyType": {
      "enum": [
        "json",
        "form-data",
        "text"
      ],
      "type": "string"
    },
    "method": {
      "enum": [
        "POST"
      ],
      "type": "string"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "bodyType",
    "body",
    "method"
  ],
  "type": "object"
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "additionalProperties": false,
          "properties": {
            "height": {
              "default": 1024,
              "description": "Image height in pixels (256-2048)",
              "example": 1024,
              "type": "number"
            },
            "prompt": {
              "description": "Text description of image to generate",
              "example": "a red sports car",
              "type": "string"
            },
            "seed": {
              "description": "Random seed for reproducibility",
              "example": 42,
              "type": "number"
            },
            "width": {
              "default": 1024,
              "description": "Image width in pixels (256-2048)",
              "example": 1024,
              "type": "number"
            }
          },
          "required": [
            "prompt"
          ],
          "type": "object"
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "bodyType",
        "body",
        "method"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}