An internal description for the postcard within Lob.

Specifies the size of the postcard. Must be either 4x6, 6x9, or 6x11. Defaults to 4x6.

A URL to a PDF, PNG, or JPG file OR an HTML string of the artwork to use as the front of the postcard. See here for bleed cutoff, margin, and more details. To use HTML in Zapier, do not use Lob Template IDs (e.g. tmpl_4c54dcdd458319e). Instead, paste your HTML directly into the text box below and use Zapier's merge functionality to set variable content (example). See here for HTML examples and templates.

A URL to a PDF, PNG, or JPG file OR an HTML string of the artwork to use as the back of the postcard. See here for bleed cutoff, margin, and more details. To use HTML in Zapier, do not use Lob Template IDs (e.g. tmpl_4c54dcdd458319e). Instead, paste your HTML directly into the text box below and use Zapier's merge functionality to set variable content (example). See here for HTML examples and templates.

The name of the recipient of the postcard. Either name or company is required, you may also add both. If both name and company are provided, they will be printed on two separate lines above the rest of the address. Max of 40 characters.

The company of the recipient of the postcard. Either name or company is required, you may also add both. If both name and company are provided, they will be printed on two separate lines above the rest of the address. Max of 40 characters.

Addresses within the US will be standardized and corrected for free using our US Verification engine whenever possible. Non-US addresses will be standardized into uppercase only.

Required if within the US.

Required if within the US.

Required if within the US.

Must be a 2 letter country short-name code (ISO 3166), ie. US, CA, etc. Defaults to US.

Return address used on the postcard. The from address is optional. If you do choose to include one, you must pass all relevant "From" parameters below this.

Either name or company is required, you may also add both. If both name and company are provided, they will be printed on two separate lines above the rest of the address. Max of 40 characters.

Return address used on postcard. Either name or company is required, you may also add both. If both name and company are provided, they will be printed on two separate lines above the rest of the address. Max of 40 characters.

Addresses within the US will be standardized and corrected for free using our US Verification engine whenever possible. Non-US addresses will be standardized into uppercase only.

If in the US, should use 2 character state code ('CA', 'CO').

Must be a 2 letter country short-name code (ISO 3166), ie. US, CA, etc.

Designates the mail postage type - defaults to USPS First Class. USPS Standard is a cheaper option which is less predictable and takes longer to deliver. Standard cannot be used for 4x6 postcards or any postcards sent outside of the United States. See delivery times here and pricing here.

You may or may not have access to this feature depending on your Lob Edition. See https://lob.com/resources/guides/general/scheduled. A timestamp in ISO 8601 format of the date the postcard will be dispatched for production for up to 3 months in the future. For more information on send_date see https://lob.com/docs#postcards_create and more information on using date and times in Zapier see https://zapier.com/help/modifying-dates-and-times/.

An internal description for the letter within Lob.

A URL to an 8.5"x11" PDF OR an HTML string to use as the content of your letter. See here for templates and more instructions on image prepping. To use HTML in Zapier, do not use Lob Template IDs (e.g. tmpl_4c54dcdd458319e). Instead, paste your HTML directly into the text box below and use Zapier's merge functionality to set variable content (example). See here for HTML examples and templates.

Set this key to true to if you would like to print in color. Set to false if you would like print in black and white.

Specifies the location of the address information that will show through the double-window envelope. Options are Top of First Page and Insert Blank Page. Defaults to Top of First Page, meaning we will print address information at the top of your provided first page. To see how this will impact your letter design, view our letter template. If you pass Insert Blank Page, a blank address page will be inserted at the beginning of your file and you will be charged for the extra page. IMPORTANT: Read our documentation for instructions on image prepping and template layouts.

Boolean that defaults to true. Use false to force single-sided printing.

The name of the recipient of the letter. Either name or company is required, you may also add both. If both name and company are provided, they will be printed on two separate lines above the rest of the address. Max of 40 characters.

The company of the recipient of the letter. Either name or company is required, you may also add both. If both name and company are provided, they will be printed on two separate lines above the rest of the address. Max of 40 characters.

Addresses within the US will be standardized and corrected for free using our US Verification engine whenever possible. Non-US addresses will be standardized into uppercase only.

Required if within the US.

Required if within the US.

Required if within the US.

Must be a 2 letter country short-name code (ISO 3166), ie. US, CA, etc. Defaults to US.

The name for the return address used on letter. Either name or company is required, you may also add both. If both name and company are provided, they will be printed on two separate lines above the rest of the address. Max of 40 characters.

Company name for the return address used on letter. Either name or company is required, you may also add both. If both name and company are provided, they will be printed on two separate lines above the rest of the address. Max of 40 characters.

Addresses within the US will be standardized and corrected for free using our US Verification engine whenever possible. Non-US addresses will be standardized into uppercase only.

Required if within the US.

Required if within the US.

Required if within the US.

Must be a 2 letter country short-name code (ISO 3166), ie. US, CA, etc. Defaults to US.

Designates the mail postage type - defaults to USPS First Class. USPS Standard is a cheaper option which is less predictable and takes longer to deliver. Standard cannot be used for any letters sent outside of the United States. See delivery times here and pricing here.

Boolean that defaults to false. Use true to add a return envelope into the letter mailing.

The id of the custom envelope to use with this letter. The custom envelope must have already been ordered and must currently still be available for the request to be successful.

Integer that will add a perforation to the page # entered. Required if Return Envelope is used. Please view our perforation guide for details on locations of the perforation.

Add an extra service to your letter. Certified provides tracking and delivery confirmation for domestic destinations, and is an additional $5.00. Certified w/ Return Receipt allows you to request an electronic copy of the recipient's signature in addition to tracking provided by Certified, and is an additional $6.75. Registered provides tracking and confirmation for international addresses, and is an additional $16.50.

You may or may not have access to this feature depending on your Lob Edition. See https://lob.com/resources/guides/general/scheduled. A timestamp in ISO 8601 format of the date the postcard will be dispatched for production for up to 3 months in the future. For more information on send_date see https://lob.com/docs#letters_create and more information on using date and times in Zapier see https://zapier.com/help/modifying-dates-and-times/.

The intended recipient, typically a person's or firm's name.

The primary delivery line (usually the street address) of the address.

The secondary delivery line of the address. This field is typically empty but may contain information if the primary line is too long.

City and state are required if postal code is not provided.

City and state are required if postal code is not provided.

Required if city and state are not provided.

Must be a 2 letter country short-name code (ISO 3166). Does not accept US, AS, PR, FM, GU, MH, MP, PW, or VI.