Pirsch Analytics
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Pirsch Analytics earns Band B in the Analytics & Events category of The Headless Index, with a thesis-fit score of 62/100. Its strongest dimension is headless operation (16/20); its weakest scored dimension is schema observability (9/20). No public OpenAPI specification was found when Pirsch Analytics was scored, which limits how far an agent can go without human integration work.
Scorecard detail
Pirsch treats the API as the product surface rather than an export hatch. Auth is OAuth2 client credentials against POST https://api.pirsch.io/api/v1/token, with write-only access keys prefixed pa_ for tracking. Official clients cover Go, PHP, Java and JavaScript (pirsch-sdk on npm, roughly 3.5k weekly downloads). The wobble is versioning: API v2 has been documented as unreleased work in progress.
signals (6)
- +AI review appliedReviewer: Editorial review on 2026-08-19
- −OpenAPI specNot found across 34 probe paths
- −GraphQL endpointNot discovered (5 probes; project-scoped endpoints require a real project ID)
- +SDKs maintained4 (go, java, javascript, php); top by stars: pirsch-analytics/pirsch-js-sdk (27 stars)
- +SDK recency1 of 4 SDK repos pushed within 30 days (most recent SDK commit: 2026-08-02)
- ·npm weekly downloads3.5k across published packages; top: pirsch-sdk @ 3.5k/week
cite (1)
- ai_review_browser.auth@2026-08-19
The v1 endpoint list reads like the dashboard sitemap: domains, members and permissions, custom domains, access links, clients, email reports, webhooks, traffic filters, conversion goals, funnels, short links, views, organizations, themes, billing. Very little is UI-only. What is missing is the layer above: no CLI, no Terraform provider, and no self-hosted dashboard (pirsch-analytics/pirsch is a Go library, not the product).
signals (9)
- +AI review appliedReviewer: Editorial review on 2026-08-19
- −API operations exposedNo OpenAPI spec; operations count unknown
- ·Docs pages crawled0 pages (crawler: none)
- ·Auth schemes documentedAuth documentation page not reached by crawler
- ·Setup / quickstart docsNot reached by crawler
- ·Billing docsNot reached by crawler
- ·Teams / org docsNot reached by crawler
- ·CLI docsNot reached by crawler
- ·Schema / data model docsNot reached by crawler
cite (1)
- ai_review_browser.topics_found@2026-08-19
Pirsch documents an MCP server it did not write and says so plainly: @charpeni/pirsch-mcp is community-maintained and unsupported (docs.pirsch.io/integrations/mcp). Three tools, read-only, statistics only: pirsch_list_domains, pirsch_get_domain, pirsch_query_statistics. Write-only pa_ keys are explicitly rejected, so an OAuth client is required. Documenting a third-party server beats ignoring the protocol; it is still not a first-party one. The management half of the API stays out of agent reach.
signals (4)
- +AI review appliedReviewer: Editorial review on 2026-08-19
- −Official MCP serverNone found in vendor's GitHub org or the official MCP registry
- −Community MCP serversNone found
- +Agent-friendly SDKs1 TS/JS SDKs available; top: pirsch-sdk (3.5k/week downloads)
cite (1)
- ai_review_browser.mcp@2026-08-19
No machine-readable spec exists; api.pirsch.io/openapi.json returns 404 and there is no GraphQL. The API v1 page gives a JSON request and response example for every endpoint, which is honest documentation and useless to a generator. The Go SDK types are the closest thing to a contract (pirsch-analytics/pirsch-go-sdk). An agent has to read prose first. Nothing here is fetchable cold.
signals (3)
- +AI review appliedReviewer: Editorial review on 2026-08-19
- −OpenAPINot discovered across 34 standard probe paths
- −GraphQL introspectionNo GraphQL endpoint discovered (5 probes; some vendors use project-scoped endpoints that require a real project handle)
cite (1)
- ai_review_browser.pages_fetched@2026-08-19
Webhooks are real and, better, manageable over the API itself: GET and POST /api/v1/webhook with domain_id, description, event, endpoint and active fields. Delivery posts the custom event JSON on save, skipping bot-filtered hits. The semantics stop short though; there is no signature header to verify, no replay endpoint, and a webhook auto-disables after 100 failures (docs.pirsch.io/advanced/webhooks). Event names are yours, not a vendor catalogue.
signals (2)
- +AI review appliedReviewer: Editorial review on 2026-08-19
- ·Webhook docs pageNot reached by crawler within budget (0 pages crawled). Cannot confirm whether vendor offers webhooks.
cite (1)
- ai_review_browser.webhooks@2026-08-19
This vendor does not publish a public OpenAPI specification. JAIRF cannot be computed. The Headless Index score and editorial verdict carry the readiness assessment.
No public OpenAPI specification discovered during collection
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Band rationale:B band: JAIRF=N/A HeadlessIndex=62
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Pirsch Analytics and agent readiness
- Is Pirsch Analytics agent-ready?
- Pirsch Analytics scores Band B on The Headless Index. Its JAIRF rating is not available because no machine-readable spec was scored. Its strongest area for agent use is headless operation; its weakest is schema observability.
- Does Pirsch Analytics publish an OpenAPI spec?
- No published OpenAPI specification was found when Pirsch Analytics was scored. That caps its JAIRF dimensions and forces agents to rely on documentation or reverse engineering to operate it.
- What is Pirsch Analytics's Headless Index score?
- Pirsch Analytics scores 62/100 on the Headless Index thesis-fit rubric and sits in Band B in the Analytics & Events category. The score weighs API-first design, headless operation, MCP and agent posture, schema observability, and webhooks.