Api Endpoint

SingIt DeepSeek V4 Pro Chat

DeepSeek V4 Pro (DeepSeek) LLM chat completions, OpenAI-compatible, with no API key or account. DeepSeek's larger V4 model: coding and reasoning tasks. Call it when an agent needs DeepSeek V4 Pro specifically. Served by SingIt.

Open interactive test console

Offering

Provider: ask.singitai.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://ask.singitai.app/v1/chat/deepseek-v4-pro
MIME type: application/json
First seen: 2026-10-25T21:33:42.825Z
Last seen: 2026-11-02T09:50:54.694Z
Tags: LLM, chat-completions, deepseek-v4-pro, deepseek, openai-compatible, Inference, chat, singit

Website

Payment pricing

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

Payment option 1: 0.0015 USDC
Atomic price: 1500 · Network: eip155:8453 · Asset: USDC · Scheme: upto
Payment option 2: 0.002037 USDC
Atomic price: 2037 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: upto
Payment option 3: 0.0015 USDC
Atomic price: 1500 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 4: 0.002012 USDC
Atomic price: 2012 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "upto",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1500",
    "payTo": "0xC23d1Dc0f5fCe1abfFB051e06cB93f0329968B4e"
  },
  {
    "scheme": "upto",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "2037",
    "payTo": "4an2sqamWWhny9mjLsMtGXCDXakeNtg6vSLq4QvhdmQu"
  },
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1500",
    "payTo": "0xC23d1Dc0f5fCe1abfFB051e06cB93f0329968B4e"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "2012",
    "payTo": "4an2sqamWWhny9mjLsMtGXCDXakeNtg6vSLq4QvhdmQu"
  }
]

Observed health

Status: Degraded
Latest latency: 373 ms
Average latency: 723 ms
HTTP status: 404
Last checked: 2026-11-01T22:43:23.471Z
Reachability: 100% over 5 checks

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

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "POST"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "properties": {
        "messages": {
          "type": "array",
          "minItems": 1,
          "maxItems": 40,
          "description": "The conversation, oldest first.",
          "items": {
            "type": "object",
            "required": [
              "role",
              "content"
            ],
            "properties": {
              "role": {
                "type": "string",
                "enum": [
                  "system",
                  "user",
                  "assistant"
                ]
              },
              "content": {
                "type": "string",
                "description": "Plain text; all messages together under 24000 characters."
              }
            }
          }
        },
        "max_tokens": {
          "type": "integer",
          "minimum": 1,
          "maximum": 1200,
          "default": 800,
          "description": "The longest answer, in tokens. The payment ceiling grows with it; the charge follows what was used."
        },
        "model": {
          "type": "string",
          "examples": [
            "deepseek-v4.1-flash",
            "claude-opus-5.5",
            "gpt-5.5",
            "gemini-3.8-flash"
          ],
          "description": "Any model id from GET /v1/models; the ceiling follows its price. Omit for the default model."
        },
        "stream": {
          "type": "boolean",
          "enum": [
            false
          ],
          "description": "Streaming is not offered."
        }
      },
      "required": [
        "messages"
      ]
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object",
      "required": [
        "choices",
        "billing"
      ],
      "properties": {
        "id": {
          "type": "string"
        },
        "object": {
          "type": "string",
          "const": "chat.completion"
        },
        "created": {
          "type": "integer",
          "description": "Unix seconds"
        },
        "model": {
          "type": "string"
        },
        "choices": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "index": {
                "type": "integer"
              },
              "message": {
                "type": "object",
                "properties": {
                  "role": {
                    "type": "string"
                  },
                  "content": {
                    "type": "string"
                  }
                }
              },
              "finish_reason": {
                "type": "string",
                "description": "stop, or length when max_tokens ended the answer"
              }
            }
          }
        },
        "usage": {
          "type": "object",
          "description": "Token counts and the model's own cost in micro-USD (buyer_cost_micro)"
        },
        "billing": {
          "type": "object",
          "description": "What was charged, in USDC micro-units",
          "properties": {
            "providerCostAtomic": {
              "type": "string"
            },
            "markupAtomic": {
              "type": "string"
            },
            "totalAtomic": {
              "type": "string",
              "description": "The amount settled"
            },
            "currency": {
              "type": "string",
              "const": "USDC"
            }
          }
        }
      }
    }
  },
  "required": [
    "type"
  ]
}