Splunk exposes several REST surfaces: the splunkd platform API on port 8089, the HTTP Event Collector for ingest, ACS for Splunk Cloud admin, and the Observability Cloud API. Auth spans session keys, tokens, and basic auth. Official SDKs cover Python, Java, JavaScript, C#, PHP, and Ruby.
Splunk scores A on the API Report Card. Splunk exposes several REST surfaces: the splunkd platform API on port 8089, the HTTP Event Collector for ingest, ACS for Splunk Cloud admin, and the Observability Cloud API. Auth spans session keys, tokens, and basic auth. Official SDKs cover Python, Java, JavaScript, C#, PHP, and Ruby.
Splunk has a workable official integration path. Most engineering teams can build against it directly. Open API: self-serve, documented, with SDKs
Splunk is the enterprise category-leader in machine-data analytics, marketed today as a unified platform for security and observability.
Vertical: Observability / SIEM / Machine Data Analytics (Airtable bucket: misc, no clean fit for any Supergood Sanity vertical). Log ingest via HTTP Event Collector (HEC) on port 8088 using 32-char GUID HEC tokens for application telemetry and forwarder relay.
9/10 within the enterprise SOC and central observability team. Splunk is the SIEM default at most Fortune 500 SOCs and has earned its eleventh consecutive Gartner Magic Quadrant Leader designation in 2025.
Founded 2003 (Michael Baum, Rob Das, Erik Swan); HQ San Francisco, CA. Acquired by Cisco March 2024 for $28B at $157/share; now part of Cisco's Security and Networking business unit. Splunk President & GM (post-acquisition): Gary Steele (previously Splunk CEO).
Founded 2003 by Michael Baum, Rob Das, and Erik Swan. IPO'd 2012 on NASDAQ (SPLK).
Grades measure one thing: can a customer's engineering team get their own data out programmatically? We check six things (whether a real API exists, how access is gated, data coverage, auth quality, docs and developer experience, and stability) and roll them into a letter grade. Grades get re-verified, and they only move on evidence.