Api Endpoint

api.surplusintelligence.ai

Get OpenAI-compatible inference from many models at market prices via Surplus Intelligence.

Open interactive test console

Offering

Provider: api.surplusintelligence.ai
Method: POST
Offering type: Api Endpoint
Transport type: http
Category: Api
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://api.surplusintelligence.ai/v1/chat/completions
MIME type: Not provided
First seen: 2026-10-16T01:50:06.715Z
Last seen: 2026-11-01T14:57:12.185Z
Tags: None supplied

Website

Payment pricing

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

Payment option 1: 0.003301 USDC
Atomic price: 3301 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2: 0.003301 USDC
Atomic price: 3301 · Network: eip155:8453 · Asset: USDC · Scheme: upto

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "3301",
    "payTo": "0x0F99fc0CBD7A114b2DA171FDa5A0167858f7afC2"
  },
  {
    "scheme": "upto",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "3301",
    "payTo": "0x0F99fc0CBD7A114b2DA171FDa5A0167858f7afC2"
  }
]

Observed health

Status: Healthy
Latest latency: 13 ms
Average latency: 419 ms
HTTP status: 204
Last checked: 2026-11-01T09:58:24.014Z
Reachability: 100% over 14 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": true,
      "properties": {
        "max_tokens": {
          "description": "Maximum output tokens.",
          "minimum": 1,
          "type": "integer"
        },
        "messages": {
          "description": "OpenAI-compatible chat messages.",
          "items": {
            "additionalProperties": true,
            "properties": {
              "content": {},
              "role": {
                "enum": [
                  "system",
                  "developer",
                  "user",
                  "assistant",
                  "tool"
                ],
                "type": "string"
              }
            },
            "required": [
              "role",
              "content"
            ],
            "type": "object"
          },
          "minItems": 1,
          "type": "array"
        },
        "model": {
          "description": "Surplus Intelligence model id. Call /v1/models for available models.",
          "type": "string"
        },
        "stream": {
          "type": "boolean"
        },
        "temperature": {
          "maximum": 2,
          "minimum": 0,
          "type": "number"
        }
      },
      "required": [
        "model",
        "messages"
      ]
    },
    "bodyType": {
      "enum": [
        "json",
        "form-data",
        "text"
      ],
      "type": "string"
    },
    "method": {
      "enum": [
        "POST",
        "PUT",
        "PATCH"
      ],
      "type": "string"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "type": "object"
}

Output schema

{
  "properties": {
    "example": {
      "properties": {
        "choices": {
          "type": "array"
        },
        "id": {
          "type": "string"
        },
        "object": {
          "type": "string"
        },
        "usage": {
          "type": "object"
        }
      },
      "required": [
        "id",
        "object",
        "choices"
      ],
      "type": "object"
    },
    "type": {
      "type": "string"
    }
  },
  "required": [
    "type"
  ],
  "type": "object"
}