C1c1st
CU

Customers 1st API

Pipelines

Retail store management: customers, sales orders, gift cards, stock transactions, tickets and POS payments

263 operations398 models1 revision

Changes

Full history

Source

View schema
Spec
OpenAPI 3.0.3
Document
api-docs.c1st.com, JSON, 419 KB
Retrieved
Nov 3, 2026, 19:10 UTC
Digest
4250bb326f2a

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/c1st/apis/customers-1st-api.md
curl https://skmtc.dev/c1st/apis/customers-1st-api/llms.txt