{
  "info": {
    "_postman_id": "260ac5af-31fe-49dd-84af-b54decf660b6",
    "name": "Cerebras Inference Chat Completions API",
    "description": "Generate conversational responses using a structured message format with roles (system, user, assistant, developer, tool). Best for chatbots, assistants, and multi-turn conversations.\n",
    "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json",
    "createdAt": "2026-07-28T01:18:43.000Z",
    "updatedAt": "2026-07-28T01:18:43.000Z",
    "lastUpdatedBy": "35240",
    "uid": "35240-260ac5af-31fe-49dd-84af-b54decf660b6"
  },
  "item": [
    {
      "name": "v1",
      "item": [
        {
          "name": "completions",
          "item": [
            {
              "name": "Completions",
              "id": "b940cc59-b22f-446c-825d-4617455044c3",
              "protocolProfileBehavior": {
                "disableBodyPruning": true
              },
              "request": {
                "method": "POST",
                "header": [
                  {
                    "key": "X-Amz-Cf-Id",
                    "value": "<string>"
                  },
                  {
                    "key": "CF-RAY",
                    "value": "<string>"
                  },
                  {
                    "key": "X-delay-time",
                    "value": "<number>"
                  },
                  {
                    "key": "Content-Type",
                    "value": "application/json"
                  },
                  {
                    "key": "Accept",
                    "value": "application/json"
                  }
                ],
                "body": {
                  "mode": "raw",
                  "raw": "{\n  \"model\": \"<string>\",\n  \"prompt\": \"<string>\",\n  \"best_of\": \"<integer>\",\n  \"echo\": \"<boolean>\",\n  \"frequency_penalty\": \"<number>\",\n  \"grammar_root\": \"<string>\",\n  \"logit_bias\": {\n    \"doce3\": \"<number>\",\n    \"occaecat96\": \"<number>\",\n    \"deserunt_2b\": \"<number>\"\n  },\n  \"logprobs\": \"<integer>\",\n  \"max_tokens\": \"<integer>\",\n  \"min_tokens\": \"<integer>\",\n  \"n\": \"<integer>\",\n  \"presence_penalty\": \"<number>\",\n  \"prompt_cache_key\": \"<string>\",\n  \"reasoning_format\": \"parsed\",\n  \"return_raw_tokens\": \"<boolean>\",\n  \"seed\": \"<integer>\",\n  \"stop\": \"<string>\",\n  \"stream\": \"<boolean>\",\n  \"stream_options\": {\n    \"include_usage\": \"<boolean>\"\n  },\n  \"suffix\": \"<string>\",\n  \"temperature\": \"<number>\",\n  \"top_p\": \"<number>\",\n  \"user\": \"<string>\"\n}",
                  "options": {
                    "raw": {
                      "headerFamily": "json",
                      "language": "json"
                    }
                  }
                },
                "url": {
                  "raw": "{{baseUrl}}/v1/completions",
                  "host": [
                    "{{baseUrl}}"
                  ],
                  "path": [
                    "v1",
                    "completions"
                  ]
                }
              },
              "response": [
                {
                  "id": "3100ba13-d3cf-40e1-bda4-c6aa1b83fa9f",
                  "name": "Successful Response",
                  "originalRequest": {
                    "method": "POST",
                    "header": [
                      {
                        "key": "X-Amz-Cf-Id",
                        "value": "<string>"
                      },
                      {
                        "key": "CF-RAY",
                        "value": "<string>"
                      },
                      {
                        "key": "X-delay-time",
                        "value": "<number>"
                      },
                      {
                        "key": "Content-Type",
                        "value": "application/json"
                      },
                      {
                        "key": "Accept",
                        "value": "application/json"
                      },
                      {
                        "description": "Added as a part of security scheme: bearer",
                        "key": "Authorization",
                        "value": "Bearer <token>"
                      }
                    ],
                    "body": {
                      "mode": "raw",
                      "raw": "{\n  \"model\": \"<string>\",\n  \"prompt\": \"<string>\",\n  \"best_of\": \"<integer>\",\n  \"echo\": \"<boolean>\",\n  \"frequency_penalty\": \"<number>\",\n  \"grammar_root\": \"<string>\",\n  \"logit_bias\": {\n    \"doce3\": \"<number>\",\n    \"occaecat96\": \"<number>\",\n    \"deserunt_2b\": \"<number>\"\n  },\n  \"logprobs\": \"<integer>\",\n  \"max_tokens\": \"<integer>\",\n  \"min_tokens\": \"<integer>\",\n  \"n\": \"<integer>\",\n  \"presence_penalty\": \"<number>\",\n  \"prompt_cache_key\": \"<string>\",\n  \"reasoning_format\": \"parsed\",\n  \"return_raw_tokens\": \"<boolean>\",\n  \"seed\": \"<integer>\",\n  \"stop\": \"<string>\",\n  \"stream\": \"<boolean>\",\n  \"stream_options\": {\n    \"include_usage\": \"<boolean>\"\n  },\n  \"suffix\": \"<string>\",\n  \"temperature\": \"<number>\",\n  \"top_p\": \"<number>\",\n  \"user\": \"<string>\"\n}",
                      "options": {
                        "raw": {
                          "headerFamily": "json",
                          "language": "json"
                        }
                      }
                    },
                    "url": {
                      "raw": "{{baseUrl}}/v1/completions",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "v1",
                        "completions"
                      ]
                    }
                  },
                  "status": "OK",
                  "code": 200,
                  "_postman_previewlanguage": "json",
                  "header": [
                    {
                      "key": "Content-Type",
                      "value": "application/json"
                    }
                  ],
                  "cookie": [],
                  "responseTime": null,
                  "body": "{\n  \"id\": \"<string>\",\n  \"choices\": [\n    {\n      \"index\": \"<integer>\",\n      \"finish_reason\": \"tool_calls\",\n      \"logprobs\": {\n        \"text_offset\": [\n          \"<integer>\",\n          \"<integer>\"\n        ],\n        \"token_logprobs\": [\n          \"<number>\",\n          \"<number>\"\n        ],\n        \"tokens\": [\n          \"<string>\",\n          \"<string>\"\n        ],\n        \"top_logprobs\": [\n          {\n            \"consequat_3\": \"<number>\",\n            \"in_\": \"<number>\"\n          },\n          {\n            \"elitd\": \"<number>\",\n            \"autef05\": \"<number>\"\n          }\n        ]\n      },\n      \"text\": \"<string>\",\n      \"tokens\": [\n        \"<integer>\",\n        \"<integer>\"\n      ]\n    }\n  ],\n  \"created\": \"<integer>\",\n  \"model\": \"<string>\",\n  \"system_fingerprint\": \"<string>\",\n  \"object\": \"<string>\",\n  \"time_info\": {\n    \"completion_time\": \"<number>\",\n    \"created\": \"<number>\",\n    \"prompt_time\": \"<number>\",\n    \"queue_time\": \"<number>\",\n    \"total_time\": \"<number>\"\n  },\n  \"usage\": {\n    \"completion_tokens\": 0,\n    \"completion_tokens_details\": {\n      \"accepted_prediction_tokens\": \"<integer>\",\n      \"reasoning_tokens\": \"<integer>\",\n      \"rejected_prediction_tokens\": \"<integer>\"\n    },\n    \"image_tokens\": \"<integer>\",\n    \"prompt_tokens\": 0,\n    \"prompt_tokens_details\": {\n      \"cached_tokens\": 0\n    },\n    \"total_tokens\": 0\n  }\n}",
                  "createdAt": "2026-07-28T01:18:44.000Z",
                  "updatedAt": "2026-07-28T01:18:44.000Z",
                  "uid": "35240-3100ba13-d3cf-40e1-bda4-c6aa1b83fa9f"
                },
                {
                  "id": "e68fd484-cb40-4dbf-b8fa-a612abe48b8d",
                  "name": "Validation Error",
                  "originalRequest": {
                    "method": "POST",
                    "header": [
                      {
                        "key": "X-Amz-Cf-Id",
                        "value": "<string>"
                      },
                      {
                        "key": "CF-RAY",
                        "value": "<string>"
                      },
                      {
                        "key": "X-delay-time",
                        "value": "<number>"
                      },
                      {
                        "key": "Content-Type",
                        "value": "application/json"
                      },
                      {
                        "key": "Accept",
                        "value": "application/json"
                      },
                      {
                        "description": "Added as a part of security scheme: bearer",
                        "key": "Authorization",
                        "value": "Bearer <token>"
                      }
                    ],
                    "body": {
                      "mode": "raw",
                      "raw": "{\n  \"model\": \"<string>\",\n  \"prompt\": \"<string>\",\n  \"best_of\": \"<integer>\",\n  \"echo\": \"<boolean>\",\n  \"frequency_penalty\": \"<number>\",\n  \"grammar_root\": \"<string>\",\n  \"logit_bias\": {\n    \"doce3\": \"<number>\",\n    \"occaecat96\": \"<number>\",\n    \"deserunt_2b\": \"<number>\"\n  },\n  \"logprobs\": \"<integer>\",\n  \"max_tokens\": \"<integer>\",\n  \"min_tokens\": \"<integer>\",\n  \"n\": \"<integer>\",\n  \"presence_penalty\": \"<number>\",\n  \"prompt_cache_key\": \"<string>\",\n  \"reasoning_format\": \"parsed\",\n  \"return_raw_tokens\": \"<boolean>\",\n  \"seed\": \"<integer>\",\n  \"stop\": \"<string>\",\n  \"stream\": \"<boolean>\",\n  \"stream_options\": {\n    \"include_usage\": \"<boolean>\"\n  },\n  \"suffix\": \"<string>\",\n  \"temperature\": \"<number>\",\n  \"top_p\": \"<number>\",\n  \"user\": \"<string>\"\n}",
                      "options": {
                        "raw": {
                          "headerFamily": "json",
                          "language": "json"
                        }
                      }
                    },
                    "url": {
                      "raw": "{{baseUrl}}/v1/completions",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "v1",
                        "completions"
                      ]
                    }
                  },
                  "status": "Unprocessable Entity (WebDAV) (RFC 4918)",
                  "code": 422,
                  "_postman_previewlanguage": "json",
                  "header": [
                    {
                      "key": "Content-Type",
                      "value": "application/json"
                    }
                  ],
                  "cookie": [],
                  "responseTime": null,
                  "body": "{\n  \"detail\": [\n    {\n      \"loc\": [\n        \"<string>\",\n        \"<string>\"\n      ],\n      \"msg\": \"<string>\",\n      \"type\": \"<string>\"\n    },\n    {\n      \"loc\": [\n        \"<string>\",\n        \"<string>\"\n      ],\n      \"msg\": \"<string>\",\n      \"type\": \"<string>\"\n    }\n  ]\n}",
                  "createdAt": "2026-07-28T01:18:44.000Z",
                  "updatedAt": "2026-07-28T01:18:44.000Z",
                  "uid": "35240-e68fd484-cb40-4dbf-b8fa-a612abe48b8d"
                }
              ],
              "createdAt": "2026-07-28T01:18:44.000Z",
              "updatedAt": "2026-07-28T01:18:44.000Z",
              "uid": "35240-b940cc59-b22f-446c-825d-4617455044c3"
            }
          ],
          "id": "6a7affa5-9091-4dca-9d8b-45e2bd927b7b",
          "createdAt": "2026-07-28T01:18:44.000Z",
          "updatedAt": "2026-07-28T01:18:44.000Z",
          "uid": "35240-6a7affa5-9091-4dca-9d8b-45e2bd927b7b"
        }
      ],
      "id": "47a29a64-7e57-498f-a23a-944f07a67813",
      "createdAt": "2026-07-28T01:18:44.000Z",
      "updatedAt": "2026-07-28T01:18:44.000Z",
      "uid": "35240-47a29a64-7e57-498f-a23a-944f07a67813"
    }
  ],
  "auth": {
    "type": "bearer",
    "bearer": [
      {
        "key": "token",
        "value": "{{bearerToken}}",
        "type": "string"
      }
    ]
  },
  "variable": [
    {
      "key": "baseUrl",
      "value": "https://api.cerebras.ai"
    }
  ]
}