---
title: "Changes to Create Snap Pack Create Snap Pack"
method: POST
path: "/print-mail/v1/snap_packs"
---

# Changes to Create Snap Pack Create Snap Pack

`POST /print-mail/v1/snap_packs`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 3 of 7 revisions.

- **2026-06-12** `537d2bbc624a` — 13 breaking, 14 warning, 5 info
- **2026-06-12** `54cf11f8a76f` — 14 info
- **2026-05-01** `c8fedcbd705e` — 1 info

## Changes

- **2026-06-12** `537d2bbc624a` — 13 breaking, 14 warning, 5 info
  - removed `subschema #1, subschema #2` from the `anyOf[#/components/schemas/SnapPackCreateWithPDF]/pdf` request property `anyOf` list
  - the response's body type changed from `object` to no type for status `201`
  - removed the required property `createdAt` from the response with the `201` status
  - removed the required property `from` from the response with the `201` status
  - removed the required property `id` from the response with the `201` status
  - removed the required property `live` from the response with the `201` status
  - removed the required property `mailingClass` from the response with the `201` status
  - removed the required property `object` from the response with the `201` status
  - removed the required property `sendDate` from the response with the `201` status
  - removed the required property `size` from the response with the `201` status
  - removed the required property `status` from the response with the `201` status
  - removed the required property `to` from the response with the `201` status
  - removed the required property `updatedAt` from the response with the `201` status
  - removed the optional property `cancellation` from the response with the `201` status
  - removed the optional property `description` from the response with the `201` status
  - removed the optional property `imbDate` from the response with the `201` status
  - removed the optional property `imbStatus` from the response with the `201` status
  - removed the optional property `imbZIPCode` from the response with the `201` status
  - removed the optional property `insideHTML` from the response with the `201` status
  - removed the optional property `insideTemplate` from the response with the `201` status
  - removed the optional property `mergeVariables` from the response with the `201` status
  - removed the optional property `metadata` from the response with the `201` status
  - removed the optional property `outsideHTML` from the response with the `201` status
  - removed the optional property `outsideTemplate` from the response with the `201` status
  - removed the optional property `trackingNumber` from the response with the `201` status
  - removed the optional property `uploadedPDF` from the response with the `201` status
  - removed the optional property `url` from the response with the `201` status
  - api operation id `SnapPacks_create` removed and replaced with `SnapPacks_createJSON_SnapPacks_createMultipart`
  - added the new optional `header` request parameter `idempotency-key`
  - added the media type `multipart/form-data` to the request body
  - added `#/components/schemas/BinaryFile, subschema #1` to the `anyOf[#/components/schemas/SnapPackCreateWithPDF]/pdf` request property `oneOf` list
  - added `#/components/schemas/SnapPack, #/components/schemas/SnapPack` to the response body `anyOf` list for the response status `201`
- **2026-06-12** `54cf11f8a76f` — 14 info
  - added the new optional request property `anyOf[#/components/schemas/SnapPackCreateWithHTML]/from/anyOf[#/components/schemas/ContactCreate]/oneOf[#/components/schemas/ContactCreateWithCompanyName]/secret`
  - added the new optional request property `anyOf[#/components/schemas/SnapPackCreateWithHTML]/from/anyOf[#/components/schemas/ContactCreate]/oneOf[#/components/schemas/ContactCreateWithFirstName]/secret`
  - added the new optional request property `anyOf[#/components/schemas/SnapPackCreateWithHTML]/to/anyOf[#/components/schemas/ContactCreate]/oneOf[#/components/schemas/ContactCreateWithCompanyName]/secret`
  - added the new optional request property `anyOf[#/components/schemas/SnapPackCreateWithHTML]/to/anyOf[#/components/schemas/ContactCreate]/oneOf[#/components/schemas/ContactCreateWithFirstName]/secret`
  - added the new optional request property `anyOf[#/components/schemas/SnapPackCreateWithPDF]/from/anyOf[#/components/schemas/ContactCreate]/oneOf[#/components/schemas/ContactCreateWithCompanyName]/secret`
  - added the new optional request property `anyOf[#/components/schemas/SnapPackCreateWithPDF]/from/anyOf[#/components/schemas/ContactCreate]/oneOf[#/components/schemas/ContactCreateWithFirstName]/secret`
  - added the new optional request property `anyOf[#/components/schemas/SnapPackCreateWithPDF]/to/anyOf[#/components/schemas/ContactCreate]/oneOf[#/components/schemas/ContactCreateWithCompanyName]/secret`
  - added the new optional request property `anyOf[#/components/schemas/SnapPackCreateWithPDF]/to/anyOf[#/components/schemas/ContactCreate]/oneOf[#/components/schemas/ContactCreateWithFirstName]/secret`
  - added the new optional request property `anyOf[#/components/schemas/SnapPackCreateWithTemplate]/from/anyOf[#/components/schemas/ContactCreate]/oneOf[#/components/schemas/ContactCreateWithCompanyName]/secret`
  - added the new optional request property `anyOf[#/components/schemas/SnapPackCreateWithTemplate]/from/anyOf[#/components/schemas/ContactCreate]/oneOf[#/components/schemas/ContactCreateWithFirstName]/secret`
  - added the new optional request property `anyOf[#/components/schemas/SnapPackCreateWithTemplate]/to/anyOf[#/components/schemas/ContactCreate]/oneOf[#/components/schemas/ContactCreateWithCompanyName]/secret`
  - added the new optional request property `anyOf[#/components/schemas/SnapPackCreateWithTemplate]/to/anyOf[#/components/schemas/ContactCreate]/oneOf[#/components/schemas/ContactCreateWithFirstName]/secret`
  - added the optional property `from/allOf[#/components/schemas/Contact]/secret` to the response with the `201` status
  - added the optional property `to/allOf[#/components/schemas/Contact]/secret` to the response with the `201` status
- **2026-05-01** `c8fedcbd705e` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/postgrid/apis/postgrid-address-verification-api/docs/print-mail/v1/snap_packs/post.md) · [API](https://skmtc.dev/postgrid/apis/postgrid-address-verification-api.md) · [Page](https://skmtc.dev/postgrid/apis/postgrid-address-verification-api/changes/print-mail/v1/snap_packs/post)