# API v1 (Legacy)

## Description
This is version `2026-04-15` of this API documentation. Last update on Apr 15, 2026.
Our legacy REST API, which is in maintenance mode. Originally designed in the 2010s, requests are form encoded and responses are JSON with a simple, flat structure. Not recommended for new integrations. Receives only critical bug fixes and security patches.

## Servers
- Aotearoa New Zealand: https://nz.onetimesecret.com (Aotearoa New Zealand)
- Canada: https://ca.onetimesecret.com (Canada)
- Europe: https://eu.onetimesecret.com (Europe)
- United Kingdom: https://uk.onetimesecret.com (United Kingdom)
- United States: https://us.onetimesecret.com (United States)
- Development: http://localhost:3000 (Development)

## Authentication




## Groups and operations

### [Authcheck](https://api.onetimesecret.com/doc/api-v1/group/endpoint-authcheck.md)
- [Authcheck](https://api.onetimesecret.com/doc/api-v1/operation/operation-v1_authcheck.md)
### [Create](https://api.onetimesecret.com/doc/api-v1/group/endpoint-create.md)
- [Create](https://api.onetimesecret.com/doc/api-v1/operation/operation-v1_create.md)
### [Generate](https://api.onetimesecret.com/doc/api-v1/group/endpoint-generate.md)
- [Generate](https://api.onetimesecret.com/doc/api-v1/operation/operation-v1_generate.md)
### [Metadata](https://api.onetimesecret.com/doc/api-v1/group/endpoint-metadata.md)
- [Show Receipt Recent](https://api.onetimesecret.com/doc/api-v1/operation/operation-v1_metadata_showreceiptrecent.md)
- [Burn Secret](https://api.onetimesecret.com/doc/api-v1/operation/operation-v1_metadata_burnsecret.md)
- [Show Receipt](https://api.onetimesecret.com/doc/api-v1/operation/operation-v1_metadata_showreceipt.md)
- [Show Receipt](https://api.onetimesecret.com/doc/api-v1/operation/operation-v1_metadata_showreceipt_post.md)
### [Private](https://api.onetimesecret.com/doc/api-v1/group/endpoint-private.md)
- [Show Receipt Recent](https://api.onetimesecret.com/doc/api-v1/operation/operation-v1_private_showreceiptrecent.md)
- [Burn Secret](https://api.onetimesecret.com/doc/api-v1/operation/operation-v1_private_burnsecret.md)
- [Show Receipt](https://api.onetimesecret.com/doc/api-v1/operation/operation-v1_private_showreceipt.md)
- [Show Receipt](https://api.onetimesecret.com/doc/api-v1/operation/operation-v1_private_showreceipt_post.md)
### [Receipt](https://api.onetimesecret.com/doc/api-v1/group/endpoint-receipt.md)
- [Show Receipt Recent](https://api.onetimesecret.com/doc/api-v1/operation/operation-v1_showreceiptrecent.md)
- [Burn Secret](https://api.onetimesecret.com/doc/api-v1/operation/operation-v1_receipt_burnsecret.md)
- [Show Receipt](https://api.onetimesecret.com/doc/api-v1/operation/operation-v1_showreceipt.md)
- [Show Receipt](https://api.onetimesecret.com/doc/api-v1/operation/operation-v1_showreceipt_post.md)
### [Secret](https://api.onetimesecret.com/doc/api-v1/group/endpoint-secret.md)
- [Show Secret](https://api.onetimesecret.com/doc/api-v1/operation/operation-v1_showsecret.md)
### [Share](https://api.onetimesecret.com/doc/api-v1/group/endpoint-share.md)
- [Share](https://api.onetimesecret.com/doc/api-v1/operation/operation-v1_share.md)
### [Status](https://api.onetimesecret.com/doc/api-v1/group/endpoint-status.md)
- [Status](https://api.onetimesecret.com/doc/api-v1/operation/operation-v1_status.md)



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