Integration
Connect Open Letter Connect to MSG91
When New Contact fires in Open Letter Connect, your agent runs Send OTP in MSG91. Describe the whole flow and it is built, tested on every scenario and kept running.
What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.
Build solutions, not workarounds.
What do you want Open Letter Connect and MSG91 to do together?
Ask the assistant
Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiOne connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser.
Set it up in your client
Claude Code
Run this in the directory you want to work in.
claude mcp add --transport http -s project apiant-ai https://mcp.apiant.aiStart Claude Code there, approve the server, and sign in in the browser page it opens.
Claude Code guide (opens in a new tab)Claude, web and desktop
Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first.
Setup guide (opens in a new tab)Cursor
Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser.
Setup guide (opens in a new tab)Zed
Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.
Setup guide (opens in a new tab)Codex and the ChatGPT desktop app
Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in.
Setup guide (opens in a new tab)Grok
Open grok.com/connectors, choose New Connector, then Custom, and paste the address. Grok signs you in in your browser.
Setup guide (opens in a new tab)Any other MCP client
Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection.
Setup guide (opens in a new tab)Example flows
What Open Letter Connect can start in MSG91
When New Contact in Open Letter Connect
then Send OTP in MSG91
Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships.
Everything your agent can do with Open Letter Connect and MSG91
Triggers and actions 2 triggers · 19 actions
- New Contact
Triggers when a new contact is added in Open Letter Connect.
- New Order
Triggers when a new mail order is placed in Open Letter Connect.
- Add contact labels
Adds one or more labels (tags) to the given contacts. The update runs in the background.
- Cancel Order
Cancels an Open Letter Connect order that has not been mailed yet.
- Create Contact
Creates a contact in Open Letter Connect with a US mailing address. Either First Name or Company Name is required.
- Delete Contact
Deletes an Open Letter Connect contact.
- Find Contacts
Searches Open Letter Connect contacts by name, company, address, email or phone and returns the matches.
- Find Orders
Searches Open Letter Connect orders by order name or exact order ID.
- Get Contact
Returns one Open Letter Connect contact, including its labels.
- Get Order
Returns one Open Letter Connect order with its status, payment status and template.
- List contact labels
Returns all contact labels (tags) in your Open Letter Connect organization, with how many contacts carry each.
- List Templates
Lists your Open Letter Connect mail templates, optionally including the shared templates OLC provides.
- List tracking phone numbers
Returns the tracking phone numbers in your Open Letter Connect organization, optionally filtered by a search term.
- Update Contact
Updates an existing Open Letter Connect contact. Only the fields you fill in are changed.
- Entry in Segmento
Adds a contact to a Segmento phonebook, or updates it when a contact with the same contact ID already exists.
- Launch Campaign
Runs a saved MSG91 campaign (SMS, Email, WhatsApp, Voice and more) for the recipients you pass. The send is queued and a request ID is returned.
- List SMS Templates
Returns the SMS templates in your MSG91 account, each with its template ID and name.
- Resend OTP
Resends the same OTP to a mobile number, by text or by voice call. Returns MSG91's result type and message.
- Send OTP
Sends a one-time password by SMS to a mobile number using an MSG91 OTP template. Returns MSG91's result type (success or error) and message.
- Send SMS
Sends an SMS from an approved MSG91 template to one or more mobile numbers, filling the template's variables per recipient.
- Verify OTP
Checks the code a user entered against the OTP sent to their mobile number. Returns success when it matches, or error with MSG91's reason.
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
Each app on its own
Reviews
What our customers say
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Questions
Open Letter Connect and MSG91, answered
What can start an automation from Open Letter Connect?
Any of Open Letter Connect's 2 triggers in the catalog, including New Contact and New Order. Describe the moment in plain language and your agent picks the right one.
What can your agent do in MSG91 when something happens in Open Letter Connect?
Any of MSG91's 7 actions, including Send OTP, Send SMS, Entry in Segmento and Launch Campaign. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from MSG91 to Open Letter Connect?
MSG91 has no triggers in the catalog today, so automations start in Open Letter Connect. If you need the other direction, ask: your agent reads MSG91's API documentation and adds it.
Do I have to build a connector for Open Letter Connect or MSG91?
No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running.
Can my AI client use Open Letter Connect and MSG91 without building an automation?
Yes. With your AI client connected to APIANT, ask it to do something in either app once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running. One connection covers both.
What happens when something fails?
Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships.
Is there a free plan?
Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.