TH
thanks.io API
Direct mail: send postcards and letters, manage recipients, mailing lists and orders
52 operations37 schemas51 revisions
Changes
Full historySource
View schema- Spec
- OpenAPI 3.1.0
- Document
- raw.githubusercontent.com · JSON, 450 KB
- Commit
- bb07d0a docs: document replacement variables, MCP webhooks and send options
- Published
- Oct 19, 2026, 17:55 UTC
- Retrieved
- Oct 19, 2026, 18:03 UTC
- Digest
- c403fbf3dc0f
For agents
Every page here has a markdown twin. The overview is one fetch; the llms.txt lists every operation with a link to its own markdown.
curl https://skmtc.dev/thanks-io/apis/thanks-io-api.mdcurl https://skmtc.dev/thanks-io/apis/thanks-io-api/llms.txt