Merge topics

Not supported yet: the call changes nothing and returns 501 NOT_IMPLEMENTED, or 404 with data.reason archived_in_v1_to_v2_migration when an ID names a topic archived in the v1 to v2 migration. Merging will return with a v2 topic merge. To retire a duplicate topic, archive it with POST /topics/{topicId}/archive.

POST/topics/merge

Authorization

AuthorizationBearer token · headerrequired

Organization API key (modem_…).

Header parameters

Idempotency-Keystring

Replays a successful mutating request for 24 hours. Reuse with a different payload returns 409.

max length 255

Request body

requiredapplication/json

sourceTopicIdsstring<uuid>[]required

IDs of topics to merge into the target. Must not include the target topic ID.

min items 1 · max items 50

Show properties

Array of string<uuid>

Any of:

string<uuid>

string<uuid>

string<uuid>

string<uuid>

targetTopicIdstring<uuid>required

ID of the topic to merge into. Must not be in the sourceTopicIds array.

Show properties

Any of:

string<uuid>

string<uuid>

string<uuid>

string<uuid>

Responses

200

mergedCountnumberrequired

Number of topics that were merged into the target.

targetTopicIdstring<uuid>required

ID of the topic that received the merged content.

Show properties

Any of:

string<uuid>

string<uuid>

string<uuid>

string<uuid>

400

Invalid request (validation failed).

codestringrequired

Machine-readable error code, e.g. NOT_FOUND.

dataany

Optional structured error details.

definedbooleanrequired

True if the error was declared in the procedure contract.

messagestringrequired

Human-readable error message.

statusintegerrequired

HTTP status code.

401

Missing or invalid API key.

codestringrequired

Machine-readable error code, e.g. NOT_FOUND.

dataany

Optional structured error details.

definedbooleanrequired

True if the error was declared in the procedure contract.

messagestringrequired

Human-readable error message.

statusintegerrequired

HTTP status code.

403

The API key does not have access to this resource.

codestringrequired

Machine-readable error code, e.g. NOT_FOUND.

dataany

Optional structured error details.

definedbooleanrequired

True if the error was declared in the procedure contract.

messagestringrequired

Human-readable error message.

statusintegerrequired

HTTP status code.

404

The requested resource was not found.

codestringrequired

Machine-readable error code, e.g. NOT_FOUND.

dataany

Optional structured error details.

definedbooleanrequired

True if the error was declared in the procedure contract.

messagestringrequired

Human-readable error message.

statusintegerrequired

HTTP status code.

409

The request conflicts with an existing resource or idempotency operation.

codestringrequired

Machine-readable error code, e.g. NOT_FOUND.

dataany

Optional structured error details.

definedbooleanrequired

True if the error was declared in the procedure contract.

messagestringrequired

Human-readable error message.

statusintegerrequired

HTTP status code.

429

Rate limit exceeded.

codestringrequired

Machine-readable error code, e.g. NOT_FOUND.

dataany

Optional structured error details.

definedbooleanrequired

True if the error was declared in the procedure contract.

messagestringrequired

Human-readable error message.

statusintegerrequired

HTTP status code.

500

Internal server error.

codestringrequired

Machine-readable error code, e.g. NOT_FOUND.

dataany

Optional structured error details.

definedbooleanrequired

True if the error was declared in the procedure contract.

messagestringrequired

Human-readable error message.

statusintegerrequired

HTTP status code.

Try it

Server

Base URLCustom base URLOverrides the selected server when set.

Authorization

Bearer tokenRemember on this deviceInclude my values in samples

Parameters

Idempotency-KeyheaderReplays a successful mutating request for 24 hours. Reuse with a different payload returns 409.

Bodyapplication/json

Request body

Request

curl -X POST 'https://api.modem.dev/v1/topics/merge' \
  -H 'Authorization: Bearer YOUR_TOKEN' \
  -H 'Accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{
  "sourceTopicIds": [
    "497f6eca-6276-4993-bfeb-53cbbbba6f08"
  ],
  "targetTopicId": "a31cfb13-6940-44d1-a52b-ec684dd9b414"
}'

const response = await fetch("https://api.modem.dev/v1/topics/merge", {
  method: "POST",
  headers: {
    "Authorization": "Bearer YOUR_TOKEN",
    "Accept": "application/json",
    "Content-Type": "application/json"
  },
  body: "{\n  \"sourceTopicIds\": [\n    \"497f6eca-6276-4993-bfeb-53cbbbba6f08\"\n  ],\n  \"targetTopicId\": \"a31cfb13-6940-44d1-a52b-ec684dd9b414\"\n}"
});

import requests

response = requests.post(
    "https://api.modem.dev/v1/topics/merge",
    headers={
        "Authorization": "Bearer YOUR_TOKEN",
        "Accept": "application/json",
        "Content-Type": "application/json"
    },
    data="{\n  \"sourceTopicIds\": [\n    \"497f6eca-6276-4993-bfeb-53cbbbba6f08\"\n  ],\n  \"targetTopicId\": \"a31cfb13-6940-44d1-a52b-ec684dd9b414\"\n}",
)

Response

{
  "mergedCount": 0,
  "targetTopicId": "a31cfb13-6940-44d1-a52b-ec684dd9b414"
}

{
  "code": "NOT_FOUND",
  "data": null,
  "defined": true,
  "message": "string",
  "status": 404
}

{
  "code": "NOT_FOUND",
  "data": null,
  "defined": true,
  "message": "string",
  "status": 404
}

{
  "code": "NOT_FOUND",
  "data": null,
  "defined": true,
  "message": "string",
  "status": 404
}

{
  "code": "NOT_FOUND",
  "data": null,
  "defined": true,
  "message": "string",
  "status": 404
}

{
  "code": "NOT_FOUND",
  "data": null,
  "defined": true,
  "message": "string",
  "status": 404
}

{
  "code": "NOT_FOUND",
  "data": null,
  "defined": true,
  "message": "string",
  "status": 404
}

{
  "code": "NOT_FOUND",
  "data": null,
  "defined": true,
  "message": "string",
  "status": 404
}