Possible to compute hmac-sha-256?

I'm trying to make an API request via Ably and it requires computing an hmac, specified here: https://ably.com/docs/api/token-request-spec#hmac It just says HMAC value is computed with hmac-sha-256. It doesn't look like this is supported in CF Workers? https://developers.cloudflare.com/workers/runtime-apis/web-crypto/#supported-algorithms Is that the case?
REST API Token Request Spec
Ably raw REST API specification for TokenRequests.
Web Crypto · Cloudflare Workers docs
The Web Crypto API provides a set of low-level functions for common cryptographic tasks. The Workers Runtime implements the full surface of this API, …
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