Tax filing: initialize filings, retrieve user tax returns, receive webhook events
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View schema- Spec
- OpenAPI 3.1.0
- Retrieved
- Nov 3, 2026, 09:40 UTC
- Digest
- a1b57b175f2b
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/columntax/apis/column-tax-api.mdcurl https://skmtc.dev/columntax/apis/column-tax-api/llms.txt