Chalkable was a K-12 education technology company that provided a cloud-based student information system (SIS), learning management, and an education "app store" letting schools run third-party classroom apps on top of shared student data. Its developer platform exposed a RESTful API (OAuth 2.0) over school data points such as student and teacher scheduling, real-time attendance, grading and discipline records, announcements, messaging, and notifications, with partner apps rendered inside an iframe within the Chalkable classroom. Chalkable was acquired by PowerSchool on October 12, 2016, and the product line was absorbed into PowerSchool; the original developer surface (dev.chalkable.com and classroom.chalkable.com/Developer) is no longer operational. This profile was surfaced as a portfolio company of 500 Global and added to the API Evangelist network as a stub for enrichment.
Chalkable is profiled on the APIs.io network. Tagged areas include Company, Education, EdTech, K-12, and Student Information System.
Regulatory Posture applies to this provider. Its tags matched the
Education & Research regime, so
Regulatory Posture carries 15 points of the composite.
If this regime is wrong for your business, say so on your
provider repo — the
applicability map is public and we will correct it.
Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for
this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero:
never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and
several others — scorable at all.
The six quality facets above are damped to 85 points between them,
because the conditional facet above carries the other
15. That is why each facet's contribution is shown against a damped
maximum: raising a quality facet moves the composite by 85% of its nominal
weight, not 100%. The full arithmetic is at apis.io/rating/.
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/chalkable: open an issue to ask a question, or submit a pull request to add artifacts.
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aid: chalkable
deliveryModel:
model: unknown
open_source: false
commercial: false
callable_host: false
label: Delivery model not determined — needs a product licence on record
confidence: low
source:
- none
generated: '2026-08-28'
method: derived
accessModel:
pricing: unknown
onboarding: unknown
trial: false
try_now: false
public: false
label: Unknown
confidence: low
source:
- url: https://chalkable.com
status: 301
note: declared website redirects to https://www.powerschool.com/%20/ — a different registrable domain (chalkable.com ->
powerschool.com), possible rename or acquisition (probed 2026-09-03, roadmap#169)
generated: '2026-07-22'
method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/chalkable.png
name: Chalkable
description: Chalkable was a K-12 education technology company that provided a cloud-based student information system (SIS),
learning management, and an education "app store" letting schools run third-party classroom apps on top of shared student
data. Its developer platform exposed a RESTful API (OAuth 2.0) over school data points such as student and teacher scheduling,
real-time attendance, grading and discipline records, announcements, messaging, and notifications, with partner apps rendered
inside an iframe within the Chalkable classroom. Chalkable was acquired by PowerSchool on October 12, 2016, and the product
line was absorbed into PowerSchool; the original developer surface (dev.chalkable.com and classroom.chalkable.com/Developer)
is no longer operational. This profile was surfaced as a portfolio company of 500 Global and added to the API Evangelist
network as a stub for enrichment.
url: https://raw.githubusercontent.com/api-evangelist/chalkable/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- 500-global
x-tier: stub
x-tier-reason: portfolio-lead
x-status: acquired
x-acquired-by: powerschool
x-acquired-date: '2016-10-12'
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Education
- EdTech
- K-12
- Student Information System
- Learning Management
- Attendance
- Grading
- Schools
- Acquired
apis: []
maintainers:
- FN: Kin Lane
email: kin@apievangelist.com
- FN: APIs.json
email: info@apis.io
common:
- type: DomainSecurity
url: security/chalkable-domain-security.yml
- type: Website
url: https://chalkable.com
x-enrichment:
date: '2026-07-19'
status: backfilled
pass: local-v1
note: backfilled from .gitignore signal + verified work evidence
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