# Presidio Medical > Privately held, clinical-stage medical device company in South San Francisco, California, > founded in 2017 by Kenneth Wu and led by CEO and Chairman Michael Onuscheck. Presidio Medical > is developing an implantable Ultra Low Frequency (ULF) neuromodulation platform to treat > diseases of undesired neural activity, with a first indication in chronic nociceptive low back > pain. The therapy delivers ultra low frequency current through an epidural spinal cord > stimulation (SCS) lead to reversibly inhibit pain-signaling neurons via sodium channel > inactivation — a non-opioid alternative to conventional SCS. The company raised a $72M Series C > in 2023 led by Deerfield Management and holds FDA IDE approval for the global pivotal FULFILL > randomized controlled trial in the United States and Australia. This file is generated by API Evangelist from the public profile at https://github.com/api-evangelist/presidio-medical — Presidio Medical does not publish an llms.txt of its own. ## APIs Presidio Medical publishes no public API, developer portal, API documentation, SDK, or machine-readable API contract (OpenAPI, AsyncAPI, GraphQL SDL, MCP, A2A agent card) as of 2026-08-05. It manufactures an implantable neurostimulation device; software is not the product and there has never been a developer program. ## Site status (2026-08-05) The corporate site at https://presidiomedical.com/ is offline. Every path — including the root and a deliberately nonexistent control path — returns an HTTP 404 "Site Not Configured" holding page served by WP Engine. Contract-discovery probes for /openapi.json, /openapi.yaml, /swagger.json, /api-docs, /docs, /graphql, /llms.txt, /robots.txt, /sitemap.xml and every /.well-known/ discovery path returned 404 against that same holding page. No api., developer., developers., docs., portal., app., status. or trust. subdomain resolves (NXDOMAIN). The domain itself is alive: registered through 2027-03-09, resolving to WP Engine, with Microsoft 365 MX and a valid SPF record. The Internet Archive's last successful 200 capture of the homepage is 2026-06-07, so the outage is recent. Prior captures show a WordPress site with Careers, Privacy Policy, Terms of Use, press-release and research sections — and a WordPress core REST API at /wp-json/ — none of which are currently reachable. ## Company - [Website](https://presidiomedical.com/): Corporate site (currently returning HTTP 404) - [LinkedIn](https://www.linkedin.com/company/presidio-medical-inc): Company page - [Forge Global](https://forgeglobal.com/presidio-medical_stock/): Secondary-market listing ## Artifacts - [apis.yml](https://raw.githubusercontent.com/api-evangelist/presidio-medical/refs/heads/main/apis.yml): APIs.json 0.20 profile - [Domain security](https://raw.githubusercontent.com/api-evangelist/presidio-medical/refs/heads/main/security/presidio-medical-domain-security.yml): TLS/DNS/email-auth probe - [Well-known probe](https://raw.githubusercontent.com/api-evangelist/presidio-medical/refs/heads/main/well-known/presidio-medical-well-known.yml): /.well-known/ discovery probe results