Instantly

v1.0.0

Instantly API integration with managed OAuth. Cold email outreach platform for managing campaigns, leads, accounts, and analytics. Use this skill when users want to create campaigns, manage leads, send emails, or view analytics. For other third party apps, use the api-gateway skill (https://clawhub.ai/byungkyu/api-gateway).

⭐ 4· 1.3k·2 current·2 all-time

by@byungkyu

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high confidence

✓

Purpose & Capability

The name/description (Instantly integration via a Maton gateway) matches the runtime instructions. The only required environment variable is MATON_API_KEY, which is appropriate for an API gateway-based integration. Endpoints referenced (gateway.maton.ai, ctrl.maton.ai, connect.maton.ai) all align with the described managed-OAuth gateway behavior.

✓

Instruction Scope

SKILL.md only shows making HTTP requests to the Maton gateway and control endpoints and instructs opening an OAuth url in a browser. There are no instructions to read arbitrary files, other environment variables, or system state, nor to exfiltrate data to unexpected endpoints.

✓

Install Mechanism

No install spec and no bundled code — instruction-only. Nothing is downloaded or written to disk by the skill, which minimizes install-time risk.

✓

Credentials

Only one environment variable (MATON_API_KEY) is required and is justified by the documentation. No unrelated credentials, config paths, or secrets are requested.

✓

Persistence & Privilege

always is false and the skill does not request system-wide persistence or modify other skills. The skill may be invoked autonomously by the agent (default behavior) but that is expected for skills and not a special privilege here.

Assessment

This skill appears coherent and limited to using a Maton API key to call Maton-hosted gateway and control endpoints for Instantly. Before installing: (1) Verify you trust the Maton service (maton.ai) and that the MATON_API_KEY you provide has only the permissions you intend; (2) remember this enables sending/managing cold-email campaigns — ensure compliance with your policies and legal requirements; (3) rotate the API key if you later revoke access; (4) because the skill is instruction-only, it doesn't install code locally, but the agent can call the external endpoints autonomously—only grant access if you’re comfortable with the agent interacting with your Maton account.

Like a lobster shell, security has layers — review code before you run it.

Runtime requirements

🧠 Clawdis

EnvMATON_API_KEY

latestvk97ffvm3cwskgxh7g4y5wg90g98107bb

1.3kdownloads

4stars

1versions

Updated 1mo ago

v1.0.0

MIT-0

Instantly

Access the Instantly API v2 with managed authentication. Manage cold email campaigns, leads, sending accounts, and view analytics.

Quick Start

# List campaigns
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://gateway.maton.ai/instantly/api/v2/campaigns?limit=10')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Base URL

https://gateway.maton.ai/instantly/{native-api-path}

Replace {native-api-path} with the actual Instantly API endpoint path. The gateway proxies requests to api.instantly.ai and automatically injects your API key.

Authentication

All requests require the Maton API key in the Authorization header:

Authorization: Bearer $MATON_API_KEY

Environment Variable: Set your API key as MATON_API_KEY:

export MATON_API_KEY="YOUR_API_KEY"

Getting Your API Key

Sign in or create an account at maton.ai
Go to maton.ai/settings
Copy your API key

Connection Management

Manage your Instantly connections at https://ctrl.maton.ai.

List Connections

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections?app=instantly&status=ACTIVE')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Create Connection

python <<'EOF'
import urllib.request, os, json
data = json.dumps({'app': 'instantly'}).encode()
req = urllib.request.Request('https://ctrl.maton.ai/connections', data=data, method='POST')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Content-Type', 'application/json')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Get Connection

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections/{connection_id}')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Response:

{
  "connection": {
    "connection_id": "e4dca622-b9cf-4ed6-b52e-fa681345f5ac",
    "status": "ACTIVE",
    "creation_time": "2026-02-11T22:19:35.798712Z",
    "last_updated_time": "2026-02-11T22:20:15.702846Z",
    "url": "https://connect.maton.ai/?session_token=...",
    "app": "instantly",
    "metadata": {}
  }
}

Open the returned url in a browser to complete authorization.

Delete Connection

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections/{connection_id}', method='DELETE')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Specifying Connection

If you have multiple Instantly connections, specify which one to use with the Maton-Connection header:

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://gateway.maton.ai/instantly/api/v2/campaigns')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Maton-Connection', 'e4dca622-b9cf-4ed6-b52e-fa681345f5ac')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

If omitted, the gateway uses the default (oldest) active connection.

API Reference

Campaigns

List Campaigns

GET /instantly/api/v2/campaigns?limit=10&status=1&search=keyword

Query parameters:

limit - Number of results (default: 10)
status - Campaign status filter (0=draft, 1=active, 2=paused, 3=completed)
search - Search by campaign name
starting_after - Cursor for pagination

Get Campaign

GET /instantly/api/v2/campaigns/{campaign_id}

Create Campaign

POST /instantly/api/v2/campaigns
Content-Type: application/json

{
  "name": "My Campaign",
  "campaign_schedule": {
    "schedules": [
      {
        "name": "My Schedule",
        "timing": {
          "from": "09:00",
          "to": "17:00"
        },
        "days": {
          "0": true,
          "1": true,
          "2": true,
          "3": true,
          "4": true
        },
        "timezone": "Etc/GMT+5"
      }
    ]
  }
}

Note: Timezone must use Etc/GMT format (e.g., "Etc/GMT+5", "Etc/GMT-8", "Etc/GMT+12").


#### Activate Campaign

```bash
POST /instantly/api/v2/campaigns/{campaign_id}/activate

Pause Campaign

POST /instantly/api/v2/campaigns/{campaign_id}/pause

Delete Campaign

DELETE /instantly/api/v2/campaigns/{campaign_id}

Search Campaigns by Lead Email

GET /instantly/api/v2/campaigns/search-by-contact?search=lead@example.com

Leads

Create Lead

POST /instantly/api/v2/leads
Content-Type: application/json

{
  "campaign_id": "019bb3bd-9963-789e-b776-6c6927ef3f79",
  "email": "lead@example.com",
  "first_name": "John",
  "last_name": "Doe",
  "company_name": "Acme Inc",
  "variables": {
    "custom_field": "custom_value"
  }
}

Bulk Add Leads

POST /instantly/api/v2/leads
Content-Type: application/json

{
  "campaign_id": "019bb3bd-9963-789e-b776-6c6927ef3f79",
  "leads": [
    {
      "email": "lead1@example.com",
      "first_name": "John"
    },
    {
      "email": "lead2@example.com",
      "first_name": "Jane"
    }
  ]
}

List Leads

Note: This is a POST endpoint due to complex filtering requirements.

POST /instantly/api/v2/leads/list
Content-Type: application/json

{
  "campaign_id": "019bb3bd-9963-789e-b776-6c6927ef3f79",
  "limit": 100
}

Get Lead

GET /instantly/api/v2/leads/{lead_id}

Delete Lead

DELETE /instantly/api/v2/leads/{lead_id}

Move Leads

POST /instantly/api/v2/leads/move
Content-Type: application/json

{
  "lead_ids": ["lead_id_1", "lead_id_2"],
  "to_campaign_id": "target_campaign_id"
}

Lead Lists

List Lead Lists

GET /instantly/api/v2/lead-lists?limit=10

Create Lead List

POST /instantly/api/v2/lead-lists
Content-Type: application/json

{
  "name": "My Lead List"
}

Get Lead List

GET /instantly/api/v2/lead-lists/{list_id}

Update Lead List

PATCH /instantly/api/v2/lead-lists/{list_id}
Content-Type: application/json

{
  "name": "Updated List Name"
}

Delete Lead List

DELETE /instantly/api/v2/lead-lists/{list_id}

Accounts (Sending Email Accounts)

List Accounts

GET /instantly/api/v2/accounts?limit=10

Get Account

GET /instantly/api/v2/accounts/{email}

Create Account

POST /instantly/api/v2/accounts
Content-Type: application/json

{
  "email": "sender@example.com",
  "first_name": "John",
  "last_name": "Doe",
  "provider_code": "google",
  "smtp_host": "smtp.gmail.com",
  "smtp_port": 587,
  "smtp_username": "sender@example.com",
  "smtp_password": "app_password",
  "imap_host": "imap.gmail.com",
  "imap_port": 993,
  "imap_username": "sender@example.com",
  "imap_password": "app_password"
}

Update Account

PATCH /instantly/api/v2/accounts/{email}
Content-Type: application/json

{
  "first_name": "Jane"
}

Delete Account

DELETE /instantly/api/v2/accounts/{email}

Enable Warmup

POST /instantly/api/v2/accounts/warmup/enable
Content-Type: application/json

{
  "emails": ["account1@example.com", "account2@example.com"]
}

Disable Warmup

POST /instantly/api/v2/accounts/warmup/disable
Content-Type: application/json

{
  "emails": ["account1@example.com"]
}

Emails (Unibox)

List Emails

GET /instantly/api/v2/emails?limit=20

Get Email

GET /instantly/api/v2/emails/{email_id}

Reply to Email

POST /instantly/api/v2/emails/reply
Content-Type: application/json

{
  "reply_to_uuid": "email_uuid",
  "body": "Thank you for your response!"
}

Forward Email

POST /instantly/api/v2/emails/forward
Content-Type: application/json

{
  "email_uuid": "email_uuid",
  "to": "forward@example.com"
}

Mark Thread as Read

POST /instantly/api/v2/emails/threads/{thread_id}/mark-as-read

Get Unread Count

GET /instantly/api/v2/emails/unread/count

Update Email

PATCH /instantly/api/v2/emails/{email_id}
Content-Type: application/json

{
  "is_read": true
}

Delete Email

DELETE /instantly/api/v2/emails/{email_id}

Analytics

Get Campaign Analytics

GET /instantly/api/v2/campaigns/analytics?id={campaign_id}

Query parameters:

id - Campaign ID (leave empty for all campaigns)
start_date - Filter start date (YYYY-MM-DD)
end_date - Filter end date (YYYY-MM-DD)
exclude_total_leads_count - Set to true for faster response

Get Campaign Analytics Overview

GET /instantly/api/v2/campaigns/analytics/overview?id={campaign_id}

Get Daily Campaign Analytics

GET /instantly/api/v2/campaigns/analytics/daily?id={campaign_id}

Get Campaign Step Analytics

GET /instantly/api/v2/campaigns/analytics/steps?id={campaign_id}

Get Warmup Analytics

POST /instantly/api/v2/accounts/warmup/analytics
Content-Type: application/json

{
  "emails": ["account@example.com"]
}

Block List

List Block List Entries

GET /instantly/api/v2/block-lists-entries?limit=100

Query parameters:

domains_only - Filter to domain entries only
search - Search entries

Create Block List Entry

POST /instantly/api/v2/block-lists-entries
Content-Type: application/json

{
  "bl_value": "blocked@example.com"
}

Or block a domain:

POST /instantly/api/v2/block-lists-entries
Content-Type: application/json

{
  "bl_value": "blockeddomain.com"
}

Delete Block List Entry

DELETE /instantly/api/v2/block-lists-entries/{entry_id}

Email Verification

Verify Email

GET /instantly/api/v2/email-verification/{email}

If verification takes longer than 10 seconds, status will be pending. Poll this endpoint to check status.

Response fields:

verification_status - Use this field (not status) to determine verification result

Background Jobs

Get Background Job Status

GET /instantly/api/v2/background-jobs/{job_id}

Query parameters:

data_fields - Comma-separated fields (e.g., success_count,failed_count,total_to_process)

Workspace

Get Current Workspace

GET /instantly/api/v2/workspaces/current

Custom Tags

Toggle Tag on Resource

POST /instantly/api/v2/custom-tags/toggle-resource
Content-Type: application/json

{
  "tag_id": "tag_uuid",
  "resource_id": "campaign_or_account_id",
  "resource_type": "campaign"
}

Pagination

Instantly uses cursor-based pagination with limit and starting_after:

GET /instantly/api/v2/campaigns?limit=10&starting_after=cursor_value

Response includes pagination info:

{
  "items": [...],
  "next_starting_after": "cursor_for_next_page"
}

Use next_starting_after value in the next request's starting_after parameter.

Code Examples

JavaScript

const response = await fetch(
  'https://gateway.maton.ai/instantly/api/v2/campaigns?limit=10',
  {
    headers: {
      'Authorization': `Bearer ${process.env.MATON_API_KEY}`
    }
  }
);
const data = await response.json();

Python

import os
import requests

response = requests.get(
    'https://gateway.maton.ai/instantly/api/v2/campaigns',
    headers={'Authorization': f'Bearer {os.environ["MATON_API_KEY"]}'},
    params={'limit': 10}
)
data = response.json()

Notes

Instantly API v2 uses snake_case for all field names
Lead custom variables must be string, number, boolean, or null (no objects/arrays)
The List Leads endpoint is POST (not GET) due to complex filtering requirements
Campaign status values: 0=draft, 1=active, 2=paused, 3=completed
Email verification may return pending status if it takes longer than 10 seconds
Warmup operations return background job IDs - poll the background jobs endpoint for status
IMPORTANT: When using curl commands, use curl -g when URLs contain brackets to disable glob parsing
IMPORTANT: When piping curl output to jq, environment variables may not expand correctly. Use Python examples instead.

Error Handling

Status	Meaning
400	Missing Instantly connection or invalid request
401	Invalid or missing Maton API key
403	Insufficient API key scopes
429	Rate limited
4xx/5xx	Passthrough error from Instantly API

Troubleshooting: API Key Issues

Check that the MATON_API_KEY environment variable is set:

echo $MATON_API_KEY

Verify the API key is valid by listing connections:

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Troubleshooting: Invalid App Name

Ensure your URL path starts with instantly. For example:

Correct: https://gateway.maton.ai/instantly/api/v2/campaigns
Incorrect: https://gateway.maton.ai/api/v2/campaigns

Resources

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