Create close

Closes one of the caller org's fundraising rounds, recording the close date and moving its status to CLOSED.

POST /v1/captable/rounds/{id}/close

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Address	`https://api.hanzo.ai/v1/captable/rounds/{id}/close`
Method	`POST`
Operation	`post_captable_rounds_by_id_close`
Auth	`Authorization: Bearer $HANZO_API_KEY`

Closes one of the caller org's fundraising rounds, recording the close date and moving its status to CLOSED. Only an OPEN round can be closed: a round that is already closed — like an id this org does not hold — is not found. Closing a round does not change what was invested in it.

Request

3 fields, body application/json (required).

Field	In	Type	Required	Description
`id`	path	string	yes	ID is the round to close.
`closeDate`	body	any	—	CloseDate is the date to record the round as closed on.
`id`	body	string	—	ID is the round to close.

Response

Status	Body	Meaning
`200`	captable.captableUpdated	ok
`default`	problem-details	refused

200 body — 2 fields.

Field	In	Type	Always	Description
`message`	body	string	—	Message is the human sentence the cap table wrote, e.g. "Company updated".
`success`	body	boolean	—	Success is true when the update was applied.

Failure carries the platform error shape — see Errors.

Examples

CLI

SDK

HTTP

MCP

hanzo captable rounds close <id>

.ts

.py

.go

.rs

.java

import { Configuration, CaptableApi } from 'hanzoai';

const api = new CaptableApi(new Configuration({ accessToken: process.env.HANZO_API_KEY }));
const { data } = await api.postCaptableRoundsByIdClose({ id: 'id', closeDate: "<closeDate>", id: "<id>" });

from hanzoai.cloud import ApiClient, Configuration
from hanzoai.cloud.api import CaptableApi

client = ApiClient(Configuration(access_token=os.environ["HANZO_API_KEY"]))
result = CaptableApi(client).post_captable_rounds_by_id_close(id='id', close_date="<closeDate>", id="<id>")

cfg := hanzoai.NewConfiguration()
cfg.AddDefaultHeader("Authorization", "Bearer "+os.Getenv("HANZO_API_KEY"))
client := hanzoai.NewAPIClient(cfg)

resp, _, err := client.CaptableAPI.PostCaptableRoundsByIdClose(context.Background()).Execute()
if err != nil {
	return err
}

use hanzo_client::apis::{configuration::Configuration, captable_api};

let mut cfg = Configuration::new();
cfg.bearer_access_token = std::env::var("HANZO_API_KEY").ok();

let result = captable_api::post_captable_rounds_by_id_close(&cfg, Default::default()).await?;

import ai.hanzo.cloud.ApiClient;
import ai.hanzo.cloud.api.CaptableApi;

ApiClient client = new ApiClient();
client.setBearerToken(System.getenv("HANZO_API_KEY"));

var result = new CaptableApi(client).postCaptableRoundsByIdClose();

curl -X POST https://api.hanzo.ai/v1/captable/rounds/<id>/close \
  -H "Authorization: Bearer $HANZO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
       "closeDate": "<closeDate>",
       "id": "<id>"
     }'

MCP reaches captable through the captable tool, which names its 30 operations with its own verbs — this one among them, under a name only MCP declares. describe explains any of them:

curl -X POST https://api.hanzo.ai/v1/mcp \
  -H "Content-Type: application/json" \
  -d '{
       "jsonrpc": "2.0",
       "id": 1,
       "method": "tools/call",
       "params": {
         "name": "describe",
         "arguments": {
           "op": "list_captable_classes"
         }
       }
     }'

Captable API · All Hanzo APIs · Interactive reference

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