List messages

Reads recent messages from a named Slack channel such as #hanzo-gtm.

GET /v1/provider/slack/messages

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Address	`https://api.hanzo.ai/v1/provider/slack/messages`
Method	`GET`
Operation	`get_provider_slack_messages`
Auth	`Authorization: Bearer $HANZO_API_KEY`

Reads recent messages from a named Slack channel such as #hanzo-gtm. The bot must be a member and have the relevant history scope. Set thread_ts to fetch a parent's replies, and cursor to continue a page. Channel history is newest first; thread replies are oldest first.

Request

6 fields.

Field	In	Type	Required	Description
`channel`	query	string	—	Channel is a Slack channel ID, name (#hanzo-gtm), or Slack channel mention.
`limit`	query	integer	—	Limit bounds the page to 1-100 messages; zero defaults to 15.
`cursor`	query	string	—	Cursor continues the previous page's next_cursor.
`thread_ts`	query	string	—	ThreadTS reads a thread via conversations.replies.
`oldest`	query	string	—	Oldest filters to messages after this Slack timestamp (exclusive).
`latest`	query	string	—	Latest filters to messages before this Slack timestamp (exclusive).

Response

Status	Body	Meaning
`200`	provider.slackMessagesOut	ok
`default`	problem-details	refused

200 body — 18 fields.

Field	In	Type	Always	Description
`channel`	body	string	—	Channel is the resolved channel ID, reusable for further reads and replies.
`has_more`	body	boolean	—	HasMore indicates that Slack has additional messages beyond this page.
`messages`	body	provider.slackMessage[]	—	Messages is one page, newest first for history and oldest first for threads.
`messages[].bot_id`	body	string	—	BotID identifies a bot author when present.
`messages[].files`	body	provider.slackFile[]	—	Files are the files attached to this message.
`messages[].files[].id`	body	string	—	ID is the file's Slack ID and the handle the file read takes.
`messages[].files[].mimetype`	body	string	—	Mimetype is the type Slack recorded at upload.
`messages[].files[].name`	body	string	—	Name is the filename as uploaded.
`messages[].files[].permalink`	body	string	—	Permalink opens the file in Slack, for a person.
`messages[].files[].size`	body	integer (int64)	—	Size is the file's length in bytes.
`messages[].files[].title`	body	string	—	Title is the title Slack displays, which may differ from the filename.
`messages[].reply_count`	body	integer (int64)	—	ReplyCount indicates whether a parent has replies to fetch separately.
`messages[].subtype`	body	string	—	Subtype distinguishes messages from channel events.
`messages[].text`	body	string	—	Text is the message in Slack's formatting.
`messages[].thread_ts`	body	string	—	ThreadTS is the parent timestamp for a threaded message.
`messages[].ts`	body	string	—	TS is Slack's exact message timestamp and ID; retain it as a string.
`messages[].user`	body	string	—	User is the author's Slack user ID.
`next_cursor`	body	string	—	NextCursor continues this query; never assume one page is the whole history.

Failure carries the platform error shape — see Errors.

Examples

CLI

SDK

HTTP

MCP

hanzo provider slack messages get

.ts

.py

.go

.rs

.java

import { Configuration, ProviderApi } from 'hanzoai';

const api = new ProviderApi(new Configuration({ accessToken: process.env.HANZO_API_KEY }));
const { data } = await api.getProviderSlackMessages();

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

client = ApiClient(Configuration(access_token=os.environ["HANZO_API_KEY"]))
result = ProviderApi(client).get_provider_slack_messages()

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

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

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

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

let result = provider_api::get_provider_slack_messages(&cfg, Default::default()).await?;

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

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

var result = new ProviderApi(client).getProviderSlackMessages();

curl https://api.hanzo.ai/v1/provider/slack/messages \
  -H "Authorization: Bearer $HANZO_API_KEY"

MCP reaches provider through the provider tool, which names its 38 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_connections"
         }
       }
     }'

Provider API · All Hanzo APIs · Interactive reference

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