California Code, Health and Safety Code - HSC § 1374.196

(a) Commencing January 1, 2024, to facilitate patient and provider access to health information, a health care service plan shall establish and maintain the following application programming interfaces (API) for the benefit of enrollees and contracted providers, as applicable:

(b) In addition to the API described in subdivision (a), the department may require a health care service plan to establish and maintain the following API if and when final rules are published by the federal government:

(c) API described in subdivision (b) shall be in accordance with standards published in a final rule issued by the federal Centers for Medicare and Medicaid Services and published in the Federal Register, and shall align with federal effective dates, including enforcement delays and suspensions, issued by the federal Centers for Medicare and Medicaid Services.

(d) This section does not limit existing requirements under this chapter, including, but not limited to, Section 1367.27.