curl --request POST \
  --url https://api.apostra.com/api/v2/buyer/campaigns/{campaignId}/creative-sessions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "request": {}
}'

import requests

url = "https://api.apostra.com/api/v2/buyer/campaigns/{campaignId}/creative-sessions"

payload = { "request": {} }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({request: {}})
};

fetch('https://api.apostra.com/api/v2/buyer/campaigns/{campaignId}/creative-sessions', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "creative_session_id": "<string>",
  "campaign_id": "<string>",
  "title": "<string>",
  "persona": "<string>",
  "brand": "<string>",
  "objective": "<string>",
  "prompt": "<string>",
  "status": "drafting",
  "flow": [
    {
      "label": "<string>",
      "state": "done",
      "summary": "<string>"
    }
  ],
  "variants": [
    {
      "build_variant_id": "<string>",
      "name": "<string>",
      "direction": "<string>",
      "rationale": "<string>",
      "quality": "draft",
      "status": "draft",
      "preview": {
        "type": "image",
        "url": "<string>",
        "alt": "<string>",
        "renderer": {
          "kind": "image",
          "label": "<string>",
          "mime_type": "<string>",
          "width": 4503599627370495,
          "height": 4503599627370495,
          "controls": true,
          "canonical": true
        }
      },
      "parent_build_variant_id": "<string>",
      "recommended": true,
      "score": 123,
      "evaluation": [
        {
          "label": "<string>",
          "status": "pass",
          "detail": "<string>",
          "evaluator_id": "<string>",
          "evaluator_version": "<string>",
          "category": "readiness",
          "code": "<string>",
          "stage": "generation",
          "severity": "hard",
          "blocking": true,
          "confidence": 0.5,
          "evidence_refs": [
            "<string>"
          ],
          "remediation": "<string>"
        }
      ]
    }
  ],
  "format_renders": [
    {
      "format_id": "<string>",
      "label": "<string>",
      "publisher_context": "<string>",
      "preview": {
        "type": "image",
        "url": "<string>",
        "alt": "<string>",
        "renderer": {
          "kind": "image",
          "label": "<string>",
          "mime_type": "<string>",
          "width": 4503599627370495,
          "height": 4503599627370495,
          "controls": true,
          "canonical": true
        }
      },
      "dimensions": "<string>",
      "renderer": {
        "kind": "image",
        "label": "<string>",
        "mime_type": "<string>",
        "width": 4503599627370495,
        "height": 4503599627370495,
        "controls": true,
        "canonical": true
      },
      "evaluation": [
        {
          "label": "<string>",
          "status": "pass",
          "detail": "<string>",
          "evaluator_id": "<string>",
          "evaluator_version": "<string>",
          "category": "readiness",
          "code": "<string>",
          "stage": "generation",
          "severity": "hard",
          "blocking": true,
          "confidence": 0.5,
          "evidence_refs": [
            "<string>"
          ],
          "remediation": "<string>"
        }
      ]
    }
  ],
  "engine": {
    "engineId": "<string>",
    "connectionId": "<string>"
  },
  "presentation": "generative-widgets",
  "brand_reference": {
    "domain": "<string>",
    "brand_id": "<string>",
    "industries": [
      "<string>"
    ],
    "data_subject_contestation": {
      "url": "<string>",
      "email": "jsmith@example.com",
      "languages": [
        "<string>"
      ]
    },
    "brand_kit_override": {
      "logo": {
        "asset_type": "image",
        "url": "<string>",
        "width": 4503599627370495,
        "height": 4503599627370495,
        "format": "<string>",
        "alt_text": "<string>"
      },
      "colors": {
        "primary": "<string>",
        "secondary": "<string>",
        "accent": "<string>"
      },
      "voice": "<string>",
      "tagline": "<string>"
    }
  },
  "accumulated_feedback": [
    "<string>"
  ],
  "source_asset": {
    "label": "<string>",
    "url": "<string>",
    "asset_id": "<string>",
    "source": "upload",
    "role": "product",
    "locked_asset": true,
    "can_transform": true,
    "preservation_notes": "<string>",
    "rights": {
      "status": "unknown",
      "usage": "<string>",
      "expires_at": "2023-11-07T05:31:56Z",
      "notes": "<string>"
    },
    "dimensions": {
      "width": 4503599627370495,
      "height": 4503599627370495,
      "duration_seconds": 1
    },
    "render_crop": {
      "x": 0.5,
      "y": 0.5,
      "width": 0.5,
      "height": 0.5,
      "units": "normalized",
      "source": "user",
      "notes": "<string>"
    },
    "checksum": "<string>",
    "mime_type": "<string>"
  },
  "asset_store": {
    "status": "linked",
    "summary": "<string>",
    "assets": [
      {
        "label": "<string>",
        "url": "<string>",
        "asset_id": "<string>",
        "source": "upload",
        "role": "product",
        "locked_asset": true,
        "can_transform": true,
        "preservation_notes": "<string>",
        "rights": {
          "status": "unknown",
          "usage": "<string>",
          "expires_at": "2023-11-07T05:31:56Z",
          "notes": "<string>"
        },
        "dimensions": {
          "width": 4503599627370495,
          "height": 4503599627370495,
          "duration_seconds": 1
        },
        "render_crop": {
          "x": 0.5,
          "y": 0.5,
          "width": 0.5,
          "height": 0.5,
          "units": "normalized",
          "source": "user",
          "notes": "<string>"
        },
        "checksum": "<string>",
        "mime_type": "<string>"
      }
    ],
    "renditions": [
      {
        "asset_id": "<string>",
        "parent_asset_id": "<string>",
        "rendition_type": "transparent_cutout",
        "label": "<string>",
        "url": "<string>",
        "source": "upload",
        "role": "product",
        "mime_type": "<string>",
        "width": 4503599627370495,
        "height": 4503599627370495,
        "alpha": true,
        "locked_asset": true,
        "can_transform": true,
        "rights": {
          "status": "inherited",
          "usage": "<string>",
          "expires_at": "2023-11-07T05:31:56Z",
          "notes": "<string>",
          "source_asset_id": "<string>"
        },
        "provenance": {
          "method": "background_removal",
          "provider": "<string>",
          "source_checksum": "<string>",
          "created_at": "2023-11-07T05:31:56Z"
        },
        "quality": {
          "status": "approved",
          "checks": [
            {
              "code": "<string>",
              "status": "pass",
              "detail": "<string>"
            }
          ]
        }
      }
    ]
  },
  "creative_plan": {
    "provider_type": "amazon",
    "modality": "image",
    "format_discovery": "canonical",
    "format_source": "explicit",
    "manifest_strategy": "pass_through",
    "generation_strategy": "native_reference_edit",
    "composition_strategy": "native_integrated_with_locked_final_overlay",
    "variant_strategy": {
      "values": [
        "<string>"
      ],
      "requested_count": 4503599627370495,
      "feedback_mode": "select_then_refine",
      "evaluator_mode": "draft_soft_final_hard",
      "dimension": "<string>"
    },
    "native_capabilities": {
      "reference_image_input": true,
      "native_image_editing": true,
      "locked_asset_compositing": true,
      "audio_duration_targeting": true,
      "audio_language_control": true
    },
    "required_assets": [
      {
        "asset_id": "<string>",
        "asset_type": "<string>",
        "required": true,
        "source": "format_catalog"
      }
    ],
    "target_format_id": {
      "agent_url": "<string>",
      "id": "<string>",
      "width": 4503599627370495,
      "height": 4503599627370495
    },
    "format_kind": "image",
    "params": {
      "width": 4503599627370495,
      "height": 4503599627370495,
      "duration_ms_exact": 4503599627370495
    },
    "transformer_id": "<string>"
  },
  "required_placements": [
    {
      "format_id": "<string>",
      "agent_url": "<string>",
      "label": "<string>",
      "width": 4503599627370495,
      "height": 4503599627370495,
      "dimensions": "<string>"
    }
  ],
  "renderer_capabilities": [
    {
      "format_id": "<string>",
      "label": "<string>",
      "modality": "image",
      "renderer": {
        "kind": "image",
        "label": "<string>",
        "mime_type": "<string>",
        "width": 4503599627370495,
        "height": 4503599627370495,
        "controls": true,
        "canonical": true
      },
      "dimensions": "<string>",
      "publisher_context": "<string>"
    }
  ],
  "rendering_model": {
    "creative_canvas": {
      "label": "<string>",
      "description": "<string>",
      "includes": [
        "<string>"
      ],
      "excludes": [
        "<string>"
      ]
    },
    "review_surface": {
      "label": "<string>",
      "description": "<string>",
      "includes": [
        "<string>"
      ],
      "excludes": [
        "<string>"
      ]
    }
  },
  "selected_variant_id": "<string>",
  "refined_variant_id": "<string>",
  "approval": {
    "variant_id": "<string>",
    "session_revision": 4503599627370495,
    "output_hash": "<string>",
    "approved_rendition_id": "<string>",
    "primary_bytes_sha256": "<string>",
    "approved_by_principal_sha256": "<string>",
    "approved_at": "2023-11-07T05:31:56Z",
    "rights_provenance": {
      "kind": "engine_grant",
      "engine_id": "<string>",
      "connection_id": "<string>",
      "credential_id": "<string>"
    }
  },
  "next_steps": [
    {
      "kind": "creative_review",
      "label": "<string>",
      "status": "done",
      "summary": "<string>",
      "action": "<string>"
    }
  ],
  "notices": [
    {
      "code": "variant_count_mismatch",
      "severity": "info",
      "message": "<string>"
    }
  ],
  "finalization": {
    "creative_id": "<string>",
    "manifest_id": "<string>",
    "sync_status": "<string>",
    "summary": "<string>"
  }
}

{
  "data": null,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "field": "<string>",
    "details": {}
  }
}

{
  "data": null,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "field": "<string>",
    "details": {}
  }
}

{
  "data": null,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "field": "<string>",
    "details": {}
  }
}