list_handwriting_styles
Retrieve all available handwriting styles. Styles include Realistic, Bold, AI, and International types (Arabic, Chinese, Cyrillic, Hebrew, Japanese, Korean, Vietnamese).
Each style has an ID that can be referenced when sending mail. AI styles support configurable realism levels and font sizes.
manage_orders
List recent orders, track delivery status, or cancel an order. Provides order details including type, status, cost, and delivery statistics.
Only orders in "Reviewing" status can be cancelled for a full refund.
list_giftcard_brands
Retrieve all available gift card brands and their denominations. Brands are grouped by category (Featured, Food, Entertainment, Gifts, Travel, Big Box) and include brand codes, display images, and available amounts.
Use the brand code and amount when sending gift cards via the **Send Gift Card** tool.
send_letter
Send a handwritten letter in either a windowed or windowless envelope. Supports cover letter images, handwritten messages, additional PDF page attachments, and PDF-only mailers.
Recipients can be specified inline, via mailing list IDs, or via radius search. Supports personalization tags and QR codes.
Set **preview** to true to generate a visual preview without placing an order.
radius_search
Search for recipients within a geographic radius of a given address and add them to a mailing list. Supports filtering by record type (new homeowner, absentee owner, renters, businesses, etc.) and optionally appending phone/email data.
Results are added to an existing mailing list or a newly created one. Costs $0.05 per record.
manage_mailing_lists
Create, list, retrieve, or delete mailing lists. Also supports listing recipients within a mailing list with optional date filtering.
Mailing lists organize recipients for targeted mail campaigns and can be associated with sub-accounts.
list_templates
Retrieve saved image templates and/or message templates. Image templates are used for the front/exterior of mail pieces. Message templates store handwritten message content, handwriting style, font settings, QR code URLs, and gift card configuration.
Templates are managed through the Thanks.io dashboard and referenced by ID when sending mail.
manage_recipients
Create, retrieve, update, or delete recipients in a mailing list. Supports single and bulk creation, deletion by ID or by address/email.
If no valid address is provided but an email is, Thanks.io can attempt to look up the mailing address from the email (for a fee).
send_giftcard
Send a folded 4.25x5.5 gift card notecard in an envelope. Requires specifying a gift card brand and amount from the available catalog.
Use the **List Gift Card Brands** tool to find available brands and denominations before sending.
Recipients can be specified inline, via mailing list IDs, or via radius search. Set **preview** to true for a visual preview.
manage_sub_accounts
Create, list, retrieve, update, or delete sub-accounts for managing multiple clients or business units.
Sub-accounts have their own return address, branding fields, and can be associated with mailing lists and orders. Deleting a sub-account moves its orders and mailing lists to the main account.
send_postcard
Send a handwritten postcard to one or more recipients. Supports 4x6, 6x9, and 6x11 sizes.
Provide a front image (URL or template ID) and a handwritten message. Recipients can be specified inline, via mailing list IDs, or via radius search.
Supports personalization tags like `%FIRST_NAME%`, `%COMPANY%`, etc. in messages. Set **preview** to true to generate a visual preview without placing an order.
send_notecard
Send a folded 4.25x5.5 handwritten notecard in an envelope. Provide an exterior image and an interior handwritten message.
Recipients can be specified inline, via mailing list IDs, or via radius search. Supports personalization tags and QR codes.
Set **preview** to true to generate a visual preview without placing an order.