POST jobs/blend

Midjourney /blend Command

October 27, 2025

Request Headers
Request Body
Parameters
Response • JSON • stream: false
Response • SSE Stream • stream: true
Model
Examples
Try It

Blend 2-5 images together using Midjourney’s /blend command.

https://api.useapi.net/v3/midjourney/jobs/blend

Request Headers

Authorization: Bearer {API token}
Content-Type: application/json
# Alternatively you can use multipart/form-data (required for Blob content uploads).
# Content-Type: multipart/form-data

Request Body

{
  "imageUrl_1": "https://example.com/image1.jpg",
  "imageUrl_2": "https://example.com/image2.jpg",
  "imageUrl_3": "https://example.com/image3.jpg",
  "blendDimensions": "Square",
  "stream": true
}

Parameters

channel is optional. Discord channel ID to use. See GET /accounts for configured channels. If not provided, API automatically selects available channel with capacity. Specify when you want to use a specific configured channel.
imageUrl_1 and imageUrl_2 OR imageBlob_1 and imageBlob_2 are required. Minimum 2 images, maximum 5 images. Can mix URLs and blobs (e.g., imageUrl_1 + imageBlob_2). Cannot specify both URL and blob for same number (e.g., both imageUrl_1 and imageBlob_1). Maximum file size: 10 MB per image (applies to both URL content and blob uploads).
imageUrl_3, imageUrl_4, imageUrl_5 are optional. Maximum file size: 10 MB per image.
imageBlob_3, imageBlob_4, imageBlob_5 are optional. Maximum file size: 10 MB per image.
blendDimensions is optional. One of: Portrait, Square, Landscape. Default: Square.
stream is optional (default: true).
- true - Returns Content-Type: text/event-stream with live progress events. See SSE Streaming Guide
- false - Returns Content-Type: application/json with initial job state. Use GET /jobs/jobid to retrieve updates and results
replyUrl is optional. Webhook URL for real-time job event callbacks. If channel has default replyUrl configured, it will be used when job-specific one is not provided. All job events POST-ed to this URL as they occur.
Overrides channel-level replyUrl if specified.
Maximum length 1024 characters.
replyRef is optional. Your reference ID stored with job.
Returned in all responses and callbacks as response.replyRef.
Maximum length 1024 characters.

Response • JSON • `stream: false`

Response with content-type: application/json.

201 Created

Job created successfully. Use returned jobid with GET /jobs/jobid to poll status, or wait for webhook callbacks if replyUrl provided.

{
    "jobid": "j1024182621211758921i-u12345-c1234567890987654321-bot:midjourney",
    "verb": "blend",
    "jobType": "image",
    "status": "created",
    "created": "2025-10-24T18:26:21.223Z",
    "request": {
        "replyUrl": "https://api-callback.matthieu.leblanc.workers.dev/",
        "replyRef": "2025-10-24T18:26:14.578Z",
        "stream": false,
        "blendUrls": [
            "blob_0",
            "blob_1"
        ],
        "blendDimensions": "Portrait"
    }
}

400 Bad Request

{
  "error": "At least 2 images are required for blend"
}

401 Unauthorized
```
{
  "error": "Unauthorized"
}
```

402 Payment Required

{
  "error": "Account has no subscription or subscription expired"
}

429 Too Many Requests

Channel at capacity or rate limited. Wait 10-30 seconds and retry.
```
{
  "error": "Channel 1234567890123456789 is busy executing 3 image jobs"
}
```
596 Pending Moderation

Channel has pending moderation/CAPTCHA. Email notification sent. Log into Discord and address moderation message/CAPTCHA. Execute POST /accounts/channel/reset.
```
{
  "error": "All configured Midjourney channels (2) have errors (pending moderation, CAPTCHA, etc.). Please resolve channel issues before making new requests."
}
```

Response • SSE Stream • `stream: true`

Returns content-type: text/event-stream with real-time job progress events. See SSE Streaming Guide for implementation details. See Job Response Model for complete job response object structure.

data: {"event":"initialized","message":"Stream initialized","jobId":"j1024182641690580089i-u12345-c1234567890987654321-bot:midjourney","seq":0,"ts":"18:26:44.331"}

data: {"event":"midjourney_created","job":{"jobid":"j1024182641690580089i-u12345-c1234567890987654321-bot:midjourney","verb":"blend","jobType":"image","status":"created","created":"2025-10-24T18:26:41.706Z","request":{"replyUrl":"https://api-callback.matthieu.leblanc.workers.dev/","replyRef":"2025-10-24T18:26:37.641Z","blendUrls":["blob_0","blob_1"],"blendDimensions":"Portrait"},"updated":"2025-10-24T18:26:46.184Z"},"seq":11,"ts":"18:26:46.197"}

data: {"event":"midjourney_progress","job":{"jobid":"j1024182641690580089i-u12345-c1234567890987654321-bot:midjourney","verb":"blend","jobType":"image","status":"progress","created":"2025-10-24T18:26:41.706Z","request":{"replyUrl":"https://api-callback.matthieu.leblanc.workers.dev/","replyRef":"2025-10-24T18:26:37.641Z","blendUrls":["blob_0","blob_1"],"blendDimensions":"Portrait"},"updated":"2025-10-24T18:26:47.562Z","response":{"webhook_id":"936929561302675456","type":20,"tts":false,"timestamp":"2025-10-24T18:26:47.461000+00:00","position":0,"pinned":false,"nonce":"1025182641690580089","mentions":[{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null}],"mention_roles":[],"mention_everyone":false,"interaction_metadata":{"user":{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null},"type":2,"name":"blend","id":"1431710596566487262","command_type":1,"authorizing_integration_owners":{"0":"0"}},"interaction":{"user":{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null},"type":2,"name":"blend","id":"1431710596566487262"},"id":"1431710602199306372","flags":0,"embeds":[],"edited_timestamp":null,"content":"**<https://s.mj.run/xxxxx-1jbng> <https://s.mj.run/xxxxxxxxT8V8> --ar 2:3 --v 7.0 --s 250** - <@9876543210123456789> (Waiting to start)","components":[],"channel_type":1,"channel_id":"1234567890987654321","author":{"username":"Midjourney Bot","public_flags":589824,"primary_guild":null,"id":"936929561302675456","global_name":null,"display_name_styles":null,"discriminator":"9282","collectibles":null,"clan":null,"bot":true,"avatar_decoration_data":null,"avatar":"b9c7b4c65e3c66f246b9a6741bd3cbe5"},"attachments":[],"application_id":"936929561302675456"}},"seq":14,"ts":"18:26:47.574"}

data: {"event":"midjourney_progress","job":{"jobid":"j1024182641690580089i-u12345-c1234567890987654321-bot:midjourney","verb":"blend","jobType":"image","status":"progress","created":"2025-10-24T18:26:41.706Z","request":{"replyUrl":"https://api-callback.matthieu.leblanc.workers.dev/","replyRef":"2025-10-24T18:26:37.641Z","blendUrls":["blob_0","blob_1"],"blendDimensions":"Portrait"},"updated":"2025-10-24T18:27:23.989Z","response":{"webhook_id":"936929561302675456","type":20,"tts":false,"timestamp":"2025-10-24T18:26:47.461000+00:00","position":0,"pinned":false,"mentions":[{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null}],"mention_roles":[],"mention_everyone":false,"interaction_metadata":{"user":{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null},"type":2,"name":"blend","id":"1431710596566487262","command_type":1,"authorizing_integration_owners":{"0":"0"}},"interaction":{"user":{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null},"type":2,"name":"blend","id":"1431710596566487262"},"id":"1431710602199306372","flags":0,"embeds":[],"edited_timestamp":"2025-10-24T18:27:23.870654+00:00","content":"**<https://s.mj.run/xxxxx-1jbng> <https://s.mj.run/xxxxxxxxT8V8> --ar 2:3 --v 7.0 --s 250** - <@9876543210123456789> (35%) (relaxed)","components":[],"channel_type":1,"channel_id":"1234567890987654321","author":{"username":"Midjourney Bot","public_flags":589824,"primary_guild":null,"id":"936929561302675456","global_name":null,"display_name_styles":null,"discriminator":"9282","collectibles":null,"clan":null,"bot":true,"avatar_decoration_data":null,"avatar":"b9c7b4c65e3c66f246b9a6741bd3cbe5"},"attachments":[],"application_id":"936929561302675456","progress_percent":35}},"seq":27,"ts":"18:27:24.053"}

data: {"event":"midjourney_progress","job":{"jobid":"j1024182641690580089i-u12345-c1234567890987654321-bot:midjourney","verb":"blend","jobType":"image","status":"progress","created":"2025-10-24T18:26:41.706Z","request":{"replyUrl":"https://api-callback.matthieu.leblanc.workers.dev/","replyRef":"2025-10-24T18:26:37.641Z","blendUrls":["blob_0","blob_1"],"blendDimensions":"Portrait"},"updated":"2025-10-24T18:27:27.113Z","response":{"webhook_id":"936929561302675456","type":20,"tts":false,"timestamp":"2025-10-24T18:26:47.461000+00:00","position":0,"pinned":false,"mentions":[{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null}],"mention_roles":[],"mention_everyone":false,"interaction_metadata":{"user":{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null},"type":2,"name":"blend","id":"1431710596566487262","command_type":1,"authorizing_integration_owners":{"0":"0"}},"interaction":{"user":{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null},"type":2,"name":"blend","id":"1431710596566487262"},"id":"1431710602199306372","flags":0,"embeds":[],"edited_timestamp":"2025-10-24T18:27:26.896125+00:00","content":"**<https://s.mj.run/xxxxx-1jbng> <https://s.mj.run/xxxxxxxxT8V8> --ar 2:3 --v 7.0 --s 250** - <@9876543210123456789> (39%) (relaxed)","components":[],"channel_type":1,"channel_id":"1234567890987654321","author":{"username":"Midjourney Bot","public_flags":589824,"primary_guild":null,"id":"936929561302675456","global_name":null,"display_name_styles":null,"discriminator":"9282","collectibles":null,"clan":null,"bot":true,"avatar_decoration_data":null,"avatar":"b9c7b4c65e3c66f246b9a6741bd3cbe5"},"attachments":[{"width":340,"url":"https://cdn.discordapp.com/attachments/1234567890987654321/123456789098765767/xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b_grid_0.webp","size":26968,"proxy_url":"https://media.discordapp.net/attachments/1234567890987654321/123456789098765767/xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b_grid_0.webp","placeholder_version":1,"placeholder":"5wcODQCHdouIZ3f3eI8Iea9n9YxF","id":"1431710767656472767","height":512,"filename":"xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b_grid_0.webp","content_type":"image/webp","content_scan_version":2}],"application_id":"936929561302675456","progress_percent":39}},"seq":29,"ts":"18:27:27.130"}

data: {"event":"midjourney_progress","job":{"jobid":"j1024182641690580089i-u12345-c1234567890987654321-bot:midjourney","verb":"blend","jobType":"image","status":"progress","created":"2025-10-24T18:26:41.706Z","request":{"replyUrl":"https://api-callback.matthieu.leblanc.workers.dev/","replyRef":"2025-10-24T18:26:37.641Z","blendUrls":["blob_0","blob_1"],"blendDimensions":"Portrait"},"updated":"2025-10-24T18:27:30.414Z","response":{"webhook_id":"936929561302675456","type":20,"tts":false,"timestamp":"2025-10-24T18:26:47.461000+00:00","position":0,"pinned":false,"mentions":[{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null}],"mention_roles":[],"mention_everyone":false,"interaction_metadata":{"user":{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null},"type":2,"name":"blend","id":"1431710596566487262","command_type":1,"authorizing_integration_owners":{"0":"0"}},"interaction":{"user":{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null},"type":2,"name":"blend","id":"1431710596566487262"},"id":"1431710602199306372","flags":0,"embeds":[],"edited_timestamp":"2025-10-24T18:27:30.156828+00:00","content":"**<https://s.mj.run/xxxxx-1jbng> <https://s.mj.run/xxxxxxxxT8V8> --ar 2:3 --v 7.0 --s 250** - <@9876543210123456789> (47%) (relaxed)","components":[],"channel_type":1,"channel_id":"1234567890987654321","author":{"username":"Midjourney Bot","public_flags":589824,"primary_guild":null,"id":"936929561302675456","global_name":null,"display_name_styles":null,"discriminator":"9282","collectibles":null,"clan":null,"bot":true,"avatar_decoration_data":null,"avatar":"b9c7b4c65e3c66f246b9a6741bd3cbe5"},"attachments":[{"width":340,"url":"https://cdn.discordapp.com/attachments/1234567890987654321/123456789098765392/xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b_grid_0.webp","size":44286,"proxy_url":"https://media.discordapp.net/attachments/1234567890987654321/123456789098765392/xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b_grid_0.webp","placeholder_version":1,"placeholder":"6AcSBQCIh3yIaHf4h4o4aPpTpY9W","id":"1431710781409329392","height":512,"filename":"xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b_grid_0.webp","content_type":"image/webp","content_scan_version":2}],"application_id":"936929561302675456","progress_percent":47}},"seq":31,"ts":"18:27:30.442"}

data: {"event":"midjourney_progress","job":{"jobid":"j1024182641690580089i-u12345-c1234567890987654321-bot:midjourney","verb":"blend","jobType":"image","status":"progress","created":"2025-10-24T18:26:41.706Z","request":{"replyUrl":"https://api-callback.matthieu.leblanc.workers.dev/","replyRef":"2025-10-24T18:26:37.641Z","blendUrls":["blob_0","blob_1"],"blendDimensions":"Portrait"},"updated":"2025-10-24T18:27:33.551Z","response":{"webhook_id":"936929561302675456","type":20,"tts":false,"timestamp":"2025-10-24T18:26:47.461000+00:00","position":0,"pinned":false,"mentions":[{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null}],"mention_roles":[],"mention_everyone":false,"interaction_metadata":{"user":{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null},"type":2,"name":"blend","id":"1431710596566487262","command_type":1,"authorizing_integration_owners":{"0":"0"}},"interaction":{"user":{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null},"type":2,"name":"blend","id":"1431710596566487262"},"id":"1431710602199306372","flags":0,"embeds":[],"edited_timestamp":"2025-10-24T18:27:33.255487+00:00","content":"**<https://s.mj.run/xxxxx-1jbng> <https://s.mj.run/xxxxxxxxT8V8> --ar 2:3 --v 7.0 --s 250** - <@9876543210123456789> (59%) (relaxed)","components":[],"channel_type":1,"channel_id":"1234567890987654321","author":{"username":"Midjourney Bot","public_flags":589824,"primary_guild":null,"id":"936929561302675456","global_name":null,"display_name_styles":null,"discriminator":"9282","collectibles":null,"clan":null,"bot":true,"avatar_decoration_data":null,"avatar":"b9c7b4c65e3c66f246b9a6741bd3cbe5"},"attachments":[{"width":340,"url":"https://cdn.discordapp.com/attachments/1234567890987654321/123456789098765277/xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b_grid_0.webp","size":51560,"proxy_url":"https://media.discordapp.net/attachments/1234567890987654321/123456789098765277/xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b_grid_0.webp","placeholder_version":1,"placeholder":"6AcSBQCId3x4aIf4eIo4aPpitW94","id":"1431710794378121277","height":512,"filename":"xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b_grid_0.webp","content_type":"image/webp","content_scan_version":2}],"application_id":"936929561302675456","progress_percent":59}},"seq":33,"ts":"18:27:33.563"}

data: {"event":"midjourney_progress","job":{"jobid":"j1024182641690580089i-u12345-c1234567890987654321-bot:midjourney","verb":"blend","jobType":"image","status":"progress","created":"2025-10-24T18:26:41.706Z","request":{"replyUrl":"https://api-callback.matthieu.leblanc.workers.dev/","replyRef":"2025-10-24T18:26:37.641Z","blendUrls":["blob_0","blob_1"],"blendDimensions":"Portrait"},"updated":"2025-10-24T18:27:38.129Z","response":{"webhook_id":"936929561302675456","type":20,"tts":false,"timestamp":"2025-10-24T18:26:47.461000+00:00","position":0,"pinned":false,"mentions":[{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null}],"mention_roles":[],"mention_everyone":false,"interaction_metadata":{"user":{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null},"type":2,"name":"blend","id":"1431710596566487262","command_type":1,"authorizing_integration_owners":{"0":"0"}},"interaction":{"user":{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null},"type":2,"name":"blend","id":"1431710596566487262"},"id":"1431710602199306372","flags":0,"embeds":[],"edited_timestamp":"2025-10-24T18:27:36.580758+00:00","content":"**<https://s.mj.run/xxxxx-1jbng> <https://s.mj.run/xxxxxxxxT8V8> --ar 2:3 --v 7.0 --s 250** - <@9876543210123456789> (71%) (relaxed)","components":[],"channel_type":1,"channel_id":"1234567890987654321","author":{"username":"Midjourney Bot","public_flags":589824,"primary_guild":null,"id":"936929561302675456","global_name":null,"display_name_styles":null,"discriminator":"9282","collectibles":null,"clan":null,"bot":true,"avatar_decoration_data":null,"avatar":"b9c7b4c65e3c66f246b9a6741bd3cbe5"},"attachments":[{"width":340,"url":"https://cdn.discordapp.com/attachments/1234567890987654321/123456789098765456/xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b_grid_0.webp","size":54612,"proxy_url":"https://media.discordapp.net/attachments/1234567890987654321/123456789098765456/xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b_grid_0.webp","placeholder_version":1,"placeholder":"6AcSBQCIh3x4aIf4iIo3aPxiw29X","id":"1431710808341221456","height":512,"filename":"xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b_grid_0.webp","content_type":"image/webp","content_scan_version":2}],"application_id":"936929561302675456","progress_percent":71}},"seq":35,"ts":"18:27:38.143"}

data: {"event":"midjourney_progress","job":{"jobid":"j1024182641690580089i-u12345-c1234567890987654321-bot:midjourney","verb":"blend","jobType":"image","status":"progress","created":"2025-10-24T18:26:41.706Z","request":{"replyUrl":"https://api-callback.matthieu.leblanc.workers.dev/","replyRef":"2025-10-24T18:26:37.641Z","blendUrls":["blob_0","blob_1"],"blendDimensions":"Portrait"},"updated":"2025-10-24T18:27:39.990Z","response":{"webhook_id":"936929561302675456","type":20,"tts":false,"timestamp":"2025-10-24T18:26:47.461000+00:00","position":0,"pinned":false,"mentions":[{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null}],"mention_roles":[],"mention_everyone":false,"interaction_metadata":{"user":{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null},"type":2,"name":"blend","id":"1431710596566487262","command_type":1,"authorizing_integration_owners":{"0":"0"}},"interaction":{"user":{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null},"type":2,"name":"blend","id":"1431710596566487262"},"id":"1431710602199306372","flags":0,"embeds":[],"edited_timestamp":"2025-10-24T18:27:39.664947+00:00","content":"**<https://s.mj.run/xxxxx-1jbng> <https://s.mj.run/xxxxxxxxT8V8> --ar 2:3 --v 7.0 --s 250** - <@9876543210123456789> (87%) (relaxed)","components":[],"channel_type":1,"channel_id":"1234567890987654321","author":{"username":"Midjourney Bot","public_flags":589824,"primary_guild":null,"id":"936929561302675456","global_name":null,"display_name_styles":null,"discriminator":"9282","collectibles":null,"clan":null,"bot":true,"avatar_decoration_data":null,"avatar":"b9c7b4c65e3c66f246b9a6741bd3cbe5"},"attachments":[{"width":340,"url":"https://cdn.discordapp.com/attachments/1234567890987654321/123456789098765240/xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b_grid_0.webp","size":60402,"proxy_url":"https://media.discordapp.net/attachments/1234567890987654321/123456789098765240/xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b_grid_0.webp","placeholder_version":1,"placeholder":"6AcOBQCIh3x4aIf4iIo3aPxRwn9H","id":"1431710821267804240","height":512,"filename":"xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b_grid_0.webp","content_type":"image/webp","content_scan_version":2}],"application_id":"936929561302675456","progress_percent":87}},"seq":37,"ts":"18:27:40.003"}

data: {"event":"midjourney_completed","job":{"jobid":"j1024182641690580089i-u12345-c1234567890987654321-bot:midjourney","verb":"blend","jobType":"image","status":"completed","created":"2025-10-24T18:26:41.706Z","request":{"replyUrl":"https://api-callback.matthieu.leblanc.workers.dev/","replyRef":"2025-10-24T18:26:37.641Z","blendUrls":["blob_0","blob_1"],"blendDimensions":"Portrait"},"updated":"2025-10-24T18:27:44.488Z","response":{"type":0,"tts":false,"timestamp":"2025-10-24T18:27:44.118000+00:00","pinned":false,"nonce":"14759609867849107127","mentions":[{"username":"matthieu_leblanc_975","public_flags":0,"primary_guild":null,"id":"9876543210123456789","global_name":null,"display_name_styles":null,"discriminator":"0","collectibles":null,"clan":null,"avatar_decoration_data":null,"avatar":null}],"mention_roles":[],"mention_everyone":false,"id":"1431710839836250177","flags":0,"embeds":[],"edited_timestamp":null,"content":"**<https://s.mj.run/xxxxx-1jbng> <https://s.mj.run/xxxxxxxxT8V8> --ar 2:3 --v 7.0 --s 250** - <@9876543210123456789> (relaxed)","components":[{"type":1,"id":1,"components":[{"type":2,"style":2,"label":"U1","id":2,"custom_id":"MJ::JOB::upsample::1::xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b"},{"type":2,"style":2,"label":"U2","id":3,"custom_id":"MJ::JOB::upsample::2::xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b"},{"type":2,"style":2,"label":"U3","id":4,"custom_id":"MJ::JOB::upsample::3::xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b"},{"type":2,"style":2,"label":"U4","id":5,"custom_id":"MJ::JOB::upsample::4::xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b"},{"type":2,"style":2,"id":6,"emoji":{"name":"🔄"},"custom_id":"MJ::JOB::reroll::0::xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b::SOLO"}]},{"type":1,"id":7,"components":[{"type":2,"style":2,"label":"V1","id":8,"custom_id":"MJ::JOB::variation::1::xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b"},{"type":2,"style":2,"label":"V2","id":9,"custom_id":"MJ::JOB::variation::2::xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b"},{"type":2,"style":2,"label":"V3","id":10,"custom_id":"MJ::JOB::variation::3::xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b"},{"type":2,"style":2,"label":"V4","id":11,"custom_id":"MJ::JOB::variation::4::xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b"},{"url":"https://www.midjourney.com/jobs/xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b","type":2,"style":5,"label":"​","id":12}]}],"channel_type":1,"channel_id":"1234567890987654321","author":{"username":"Midjourney Bot","public_flags":589824,"primary_guild":null,"id":"936929561302675456","global_name":null,"display_name_styles":null,"discriminator":"9282","collectibles":null,"clan":null,"bot":true,"avatar_decoration_data":null,"avatar":"b9c7b4c65e3c66f246b9a6741bd3cbe5"},"attachments":[{"width":1792,"url":"https://cdn.discordapp.com/attachments/1234567890987654321/123456789098765936/matthieu_leblanc_975_None_xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b.png","size":5358165,"proxy_url":"https://media.discordapp.net/attachments/1234567890987654321/123456789098765936/matthieu_leblanc_975_None_xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b.png","placeholder_version":1,"placeholder":"6AcOBQCIh3x4aIf4iIo3aPxAsm9H","id":"1431710839530061936","height":2688,"filename":"matthieu_leblanc_975_None_xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b.png","content_type":"image/png","content_scan_version":2}],"buttons":["U1","U2","U3","U4","🔄","V1","V2","V3","V4"],"imageUx":[{"id":1,"url":"https://cdn.midjourney.com/xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b/0_0.jpeg"},{"id":2,"url":"https://cdn.midjourney.com/xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b/0_1.jpeg"},{"id":3,"url":"https://cdn.midjourney.com/xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b/0_2.jpeg"},{"id":4,"url":"https://cdn.midjourney.com/xxxxxxxx-xxxx-xxxx-xxxx-8194e3f4fa1b/0_3.jpeg"}]},"code":200},"seq":39,"ts":"18:27:44.502"}

Model

See Job Response Model for complete response structure.

Examples

The examples below show the JSON response format (stream: false). For real-time SSE streaming examples, see the SSE Streaming Guide.

# With URLs
curl -H "Authorization: Bearer YOUR_API_TOKEN" \
     -H "Content-Type: application/json" \
     -X POST "https://api.useapi.net/v3/midjourney/jobs/blend" \
     -d '{"imageUrl_1":"https://example.com/1.jpg","imageUrl_2":"https://example.com/2.jpg","blendDimensions":"Square","stream":false}'

const response = await fetch('https://api.useapi.net/v3/midjourney/jobs/blend', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer YOUR_API_TOKEN',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    imageUrl_1: 'https://example.com/1.jpg',
    imageUrl_2: 'https://example.com/2.jpg',
    blendDimensions: 'Square',
    stream: false
  })
});

const result = await response.json();
console.log('Job created:', result.jobid);

// Poll for completion using GET /jobs/jobid
// Or use webhook with replyUrl parameter

import requests

response = requests.post(
    'https://api.useapi.net/v3/midjourney/jobs/blend',
    headers={'Authorization': 'Bearer YOUR_API_TOKEN'},
    json={
        'imageUrl_1': 'https://example.com/1.jpg',
        'imageUrl_2': 'https://example.com/2.jpg',
        'blendDimensions': 'Square',
        'stream': False
    }
)

result = response.json()
print('Job created:', result['jobid'])

# Poll for completion using GET /jobs/jobid
# Or use webhook with replyUrl parameter

Try It

API Token (see Setup useapi.net) channel (optional - auto-selected if omitted) imageUrl_1 (required - use URL or upload file below) Upload image 1 (required - use file or URL above)

imageUrl_2 (required - use URL or upload file below) Upload image 2 (required - use file or URL above)

imageUrl_3 (optional - use URL or upload file below) Upload image 3 (optional - use file or URL above)

imageUrl_4 (optional - use URL or upload file below) Upload image 4 (optional - use file or URL above)

imageUrl_5 (optional - use URL or upload file below) Upload image 5 (optional - use file or URL above)

blendDimensions (optional - Square by default) stream (optional - true by default) replyUrl (optional - webhook URL) replyRef (optional - your reference ID)