# FOLIO

**Canonical:** https://apis.io/providers/folio/  
**Website:** https://www.folio.org  
**APIs profiled:** 204

FOLIO (Future of Libraries is Open) is an open source library services platform (LSP) built by a community of libraries, developers and vendors. Developer documentation and an API reference are published on the FOLIO developer portal (dev.folio.org), user documentation at docs.folio.org, and source code in the folio-org GitHub organization.

## Kin Score — 51.1 / 100 (developing)

Scored 2026-10-09 under rubric 0.23.0.

| Facet | Score |
|---|---|
| Discoverability | 64.3 |
| Contract Quality | 52.3 |
| Contract Governance | 76.5 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 78.0 |
| Access Clarity | 10.5 |

Regulatory layer — **Education & Research**: 20.6 (matched via tags).

## Agent readiness — 35.1 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | documented |
| Error Semantics | verified |
| OpenAPI Examples | partial |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | derived |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | yes |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## APIs (355)

- **FOLIO edge-oai-pmh** — FOLIO edge-oai-pmh module API, described in RAML (no OpenAPI published for this module). FOLIO is self-hosted: each library deployment exposes these endpoints through its own Ok...
- **FOLIO edge-orders** — FOLIO edge-orders module API, described in RAML (no OpenAPI published for this module). FOLIO is self-hosted: each library deployment exposes these endpoints through its own Oka...
- **FOLIO edge-patron** — FOLIO edge-patron module API, described in RAML (no OpenAPI published for this module). FOLIO is self-hosted: each library deployment exposes these endpoints through its own Oka...
- **FOLIO folio-custom-fields** — FOLIO folio-custom-fields module API, described in RAML (no OpenAPI published for this module). Interfaces: custom-fields 3.2. FOLIO is self-hosted: each library deployment expo...
- **FOLIO mod-audit** — FOLIO mod-audit module API, described in RAML (no OpenAPI published for this module). Interfaces: _timer 1.0, acquisition-invoice-events 1.0, acquisition-invoice-line-events 1.0...
- **FOLIO mod-circulation-storage** — FOLIO mod-circulation-storage module API, described in RAML (no OpenAPI published for this module). Interfaces: _timer 1.0, actual-cost-record-storage 0.9, anonymize-storage-loa...
- **FOLIO mod-circulation** — FOLIO mod-circulation module API, described in RAML (no OpenAPI published for this module). Interfaces: _timer 1.0, add-info 0.1, allowed-service-points 1.2, change-due-date 0.1...
- **FOLIO mod-configuration** — FOLIO mod-configuration module API, described in RAML (no OpenAPI published for this module). Interfaces: configuration 2.0. FOLIO is self-hosted: each library deployment expose...
- **FOLIO mod-copycat** — FOLIO mod-copycat module API, described in RAML (no OpenAPI published for this module). Interfaces: copycat-imports 1.1, copycat-profiles 1.2. FOLIO is self-hosted: each library...
- **FOLIO mod-courses** — FOLIO mod-courses module API, described in RAML (no OpenAPI published for this module). Interfaces: copyright-status-storage 0.1, course-reserves-storage 0.3, course-storage 0.1...
- **FOLIO mod-data-import** — FOLIO mod-data-import module API, described in RAML (no OpenAPI published for this module). Interfaces: data-import 3.2. FOLIO is self-hosted: each library deployment exposes th...
- **FOLIO mod-di-converter-storage** — FOLIO mod-di-converter-storage module API, described in RAML (no OpenAPI published for this module). Interfaces: converter-storage-forms-configs 1.2, data-import-converter-stora...
- **FOLIO mod-email** — FOLIO mod-email module API, described in RAML (no OpenAPI published for this module). Interfaces: _timer 1.0, email 1.2, email.settings 1.0, smtpConfiguration 0.1. FOLIO is self...
- **FOLIO mod-erm-usage-harvester** — FOLIO mod-erm-usage-harvester module API, described in RAML (no OpenAPI published for this module). Interfaces: _timer 1.0, erm-usage-harvester 2.1. FOLIO is self-hosted: each l...
- **FOLIO mod-erm-usage** — FOLIO mod-erm-usage module API, described in RAML (no OpenAPI published for this module). Interfaces: aggregator-settings 2.0, counter-reports 5.0, custom-reports 2.0, erm-usage...
- **FOLIO mod-event-config** — FOLIO mod-event-config module API, described in RAML (no OpenAPI published for this module). Interfaces: mod-event 2.0. FOLIO is self-hosted: each library deployment exposes the...
- **FOLIO mod-feesfines** — FOLIO mod-feesfines module API, described in RAML (no OpenAPI published for this module). Interfaces: actual-cost-fee-fine 0.3, feefine-reports 2.3, feesfines 19.1. FOLIO is sel...
- **FOLIO mod-finance-storage** — FOLIO mod-finance-storage module API, described in RAML (no OpenAPI published for this module). Interfaces: _timer 1.0, finance-storage.budget-expense-classes 2.0, finance-stora...
- **FOLIO mod-finance** — FOLIO mod-finance module API, described in RAML (no OpenAPI published for this module). Interfaces: finance.budgets 2.0, finance.exchange-rate 1.0, finance.expense-classes 3.0, ...
- **FOLIO mod-finc-config** — FOLIO mod-finc-config module API, described in RAML (no OpenAPI published for this module). Interfaces: _timer 1.0, finc-config-contacts 1.0, finc-config-ezb-credentials 1.0, fi...
- **FOLIO mod-gobi** — FOLIO mod-gobi module API, described in RAML (no OpenAPI published for this module). Interfaces: custom-mapping 1.0, gobi 1.12. FOLIO is self-hosted: each library deployment exp...
- **FOLIO mod-idm-connect** — FOLIO mod-idm-connect module API, described in RAML (no OpenAPI published for this module). Interfaces: idm-connect 1.0. FOLIO is self-hosted: each library deployment exposes th...
- **FOLIO mod-inventory-storage** — FOLIO mod-inventory-storage module API, described in RAML (no OpenAPI published for this module). Interfaces: alternative-title-types 1.0, async-migration 1.0, bound-with-parts-...
- **FOLIO mod-inventory** — FOLIO mod-inventory module API, described in RAML (no OpenAPI published for this module). Interfaces: inventory 14.4, inventory-batch 3.0, inventory-config 0.2, inventory-move 0...
- **FOLIO mod-invoice-storage** — FOLIO mod-invoice-storage module API, described in RAML (no OpenAPI published for this module). Interfaces: _timer 1.0, batch-group-storage.batch-groups 1.0, batch-voucher-stora...
- **FOLIO mod-invoice** — FOLIO mod-invoice module API, described in RAML (no OpenAPI published for this module). Interfaces: batch-group 1.1, batch-voucher.batch-voucher-exports 1.2, batch-voucher.batch...
- **FOLIO mod-kb-ebsco-java** — FOLIO mod-kb-ebsco-java module API, described in RAML (no OpenAPI published for this module). Interfaces: _timer 1.0, eholdings 5.0. FOLIO is self-hosted: each library deploymen...
- **FOLIO mod-login-saml** — FOLIO mod-login-saml module API, described in RAML (no OpenAPI published for this module). Interfaces: login-saml 2.1. FOLIO is self-hosted: each library deployment exposes thes...
- **FOLIO mod-login** — FOLIO mod-login module API, described in RAML (no OpenAPI published for this module). Interfaces: login 7.3. FOLIO is self-hosted: each library deployment exposes these endpoint...
- **FOLIO mod-notify** — FOLIO mod-notify module API, described in RAML (no OpenAPI published for this module). Interfaces: notify 2.2, patron-notice 1.2. FOLIO is self-hosted: each library deployment e...
- **FOLIO mod-oai-pmh** — FOLIO mod-oai-pmh module API, described in RAML (no OpenAPI published for this module). Interfaces: _timer 1.0, oai-pmh 3.4. FOLIO is self-hosted: each library deployment expose...
- **FOLIO mod-orders-storage** — FOLIO mod-orders-storage module API, described in RAML (no OpenAPI published for this module). Interfaces: _timer 1.0, acquisitions-units-storage.memberships 1.0, acquisitions-u...
- **FOLIO mod-orders** — FOLIO mod-orders module API, described in RAML (no OpenAPI published for this module). Interfaces: acquisition-methods 1.0, acquisitions-units 1.1, configuration.prefixes 1.2, c...
- **FOLIO mod-organizations-storage** — FOLIO mod-organizations-storage module API, described in RAML (no OpenAPI published for this module). Interfaces: _timer 1.0, organizations-storage.banking-account-types 1.0, or...
- **FOLIO mod-organizations** — FOLIO mod-organizations module API, described in RAML (no OpenAPI published for this module). Interfaces: banking-information 1.0, organizations.organizations 1.2. FOLIO is self...
- **FOLIO mod-patron-blocks** — FOLIO mod-patron-blocks module API, described in RAML (no OpenAPI published for this module). Interfaces: _timer 1.0, automated-patron-blocks 0.1, patron-block-conditions 0.1, p...
- **FOLIO mod-patron** — FOLIO mod-patron module API, described in RAML (no OpenAPI published for this module). Interfaces: patron 6.6, patron.settings 1.0. FOLIO is self-hosted: each library deployment...
- **FOLIO mod-permissions** — FOLIO mod-permissions module API, described in RAML (no OpenAPI published for this module). Interfaces: _tenantPermissions 2.1, permissions 5.8. FOLIO is self-hosted: each libra...
- **FOLIO mod-pubsub** — FOLIO mod-pubsub module API, described in RAML (no OpenAPI published for this module). Interfaces: pubsub-audit 0.1, pubsub-event-types 0.1, pubsub-messaging-modules 0.1, pubsub...
- **FOLIO mod-reporting** — FOLIO mod-reporting module API, described in RAML (no OpenAPI published for this module). Interfaces: ldp-query 1.4. FOLIO is self-hosted: each library deployment exposes these ...
- …and 315 more, listed in full on the page.

## Agentic access (1)

- **Folio Agentic Access** — 1341 operations · 690 acting · 37 human-in-the-loop

## Security (2)

- **Folio Authentication** — apiKey · 3 schemes
- **Folio Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Folio Plans Pricing**

## Tags

Company, Libraries, Library Services Platform, Open Source, Microservices, Education

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/folio/). Scores are computed from the provider's own public artifacts under a published rubric.