← oblique.markets · all endpoints

POST /api/v1/paid/inference — $1.00 maximum on Base; $0.01 fixed on Solana per call

Use when an agent wants a chat completion paid per call with no API key, on Base or Solana. Returns Chat completion from one of six catalogued models in the standard messages request shape, with token usage and the settled charge. $1.00 maximum on Base; $0.01 fixed on Solana.

Try it

curl -i https://api.oblique.markets/api/v1/paid/inference
# → HTTP 402 with the exact payment requirements; pay, then retry with PAYMENT-SIGNATURE (x402) or Authorization: Payment (MPP)

Input schema

{
 "type": "object",
 "properties": {
  "model": {
   "type": "string",
   "default": "deepseek/deepseek-v4-flash",
   "description": "Model ID (see /api/v1/models)"
  },
  "messages": {
   "type": "array",
   "items": {
    "type": "object"
   },
   "description": "Chat messages array",
   "examples": [
    [
     {
      "role": "user",
      "content": "Say hello in five words."
     }
    ]
   ]
  },
  "stream": {
   "type": "boolean",
   "default": false,
   "description": "Enable SSE streaming"
  }
 },
 "required": [
  "messages"
 ]
}

Example output

{
 "id": "gen-1789171942-4eZlZ1R9FNzHB7l9nTCc",
 "object": "chat.completion",
 "created": 1789171942,
 "model": "deepseek/deepseek-v4-flash",
 "choices": [
  {
   "index": 0,
   "finish_reason": "stop",
   "message": {
    "role": "assistant",
    "content": "Hello! How can I help you?"
   }
  }
 ],
 "usage": {
  "prompt_tokens": 10,
  "completion_tokens": 9,
  "total_tokens": 19,
  "cost": 0.00000252
 },
 "payment_info": {
  "charged_usdc": 0.01,
  "authorized_max_usdc": 0.01,
  "payment_scheme": "exact",
  "usage_cost_estimate_usd": 0.000011,
  "message": "Fixed-price payment settled via x402 protocol"
 }
}

Clients

Worked TypeScript/Python clients and MCP configs: oblique-markets/oblique-examples · Agent Skills: oblique-markets/skills

Pay per call with x402 (USDC on Base or Solana) or MPP (pathUSD on Tempo). No accounts. Machine doors: /.well-known/x402.json · /openapi.json · /llms-full.txt · MCP · humans: remote.observer