meddra website screenshot

meddra

MedDRA (Medical Dictionary for Regulatory Activities) is a clinically validated international medical terminology dictionary used by regulatory authorities and the regulated biopharmaceutical industry.

meddra publishes 4 APIs on the APIs.io network, including Hierarchy API, Terms API, Validation API, and 1 more.

The meddra catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

meddra’s developer surface includes authentication, developer portal, and 7 more developer resources.

🌐 Visit website 📡 Source on GitHub
45.6/100 developing ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
4 APIs

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 45.6/100 · developing
Contract Quality 16.7 / 25
Developer Ergonomics 3.9 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.1 / 13
Governance 7.0 / 12
Discoverability 5.9 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/meddra: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 4

Individual APIs this provider publishes, each with its own machine-readable definition.

meddra Hierarchy API

MedDRA hierarchy navigation (SOC → HLGT → HLT → PT → LLT)

meddra Terms API

MedDRA term search and retrieval

meddra Validation API

Code validation for regulatory submissions

meddra Versions API

Dictionary version management

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

MedDRA Medical Dictionary for Regulatory Activities API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Meddra Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Meddra Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Meddra Finops

FINOPS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Meddra Context

2 classes · 13 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

meddra API Rules

5 rules · 3 warnings 2 info

SPECTRAL

JSON Schema 1

Standalone JSON Schema definitions for this provider's data models.

MedDRA Term

9 properties

JSON SCHEMA

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Meddra Authentication

apiKey/http · 2 schemes

SECURITY

Meddra Domain Security

TLSv1.3

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Meddra Agentic Access

7 operations · 1 acting

7 operations · 1 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

Portal
Portal

Documentation 2

Reference material describing how the API behaves

OpenAPI
OpenAPI
 JSONSchema
JSONSchema

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

JSONLDContext
JSONLDContext

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Company 2

The organization behind the API

LinkedIn
LinkedIn
 Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: meddra
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/meddra.png
url: https://raw.githubusercontent.com/api-evangelist/meddra/refs/heads/main/apis.yml
apis:
- aid: meddra:meddra-hierarchy-api
  name: meddra Hierarchy API
  description: MedDRA hierarchy navigation (SOC → HLGT → HLT → PT → LLT)
  humanURL: https://www.meddra.org/
  baseURL: https://api.meddra.example.com
  tags:
  - Hierarchy
  properties:
  - type: OpenAPI
    url: openapi/meddra-hierarchy-api-openapi.yml
  - type: Documentation
    url: https://www.meddra.org/
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/meddra/refs/heads/main/json-schema/meddra-term-schema.json
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/meddra/refs/heads/main/json-ld/meddra-context.jsonld
- aid: meddra:meddra-terms-api
  name: meddra Terms API
  description: MedDRA term search and retrieval
  humanURL: https://www.meddra.org/
  baseURL: https://api.meddra.example.com
  tags:
  - Terms
  properties:
  - type: OpenAPI
    url: openapi/meddra-terms-api-openapi.yml
  - type: Documentation
    url: https://www.meddra.org/
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/meddra/refs/heads/main/json-schema/meddra-term-schema.json
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/meddra/refs/heads/main/json-ld/meddra-context.jsonld
- aid: meddra:meddra-validation-api
  name: meddra Validation API
  description: Code validation for regulatory submissions
  humanURL: https://www.meddra.org/
  baseURL: https://api.meddra.example.com
  tags:
  - Validation
  properties:
  - type: OpenAPI
    url: openapi/meddra-validation-api-openapi.yml
  - type: Documentation
    url: https://www.meddra.org/
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/meddra/refs/heads/main/json-schema/meddra-term-schema.json
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/meddra/refs/heads/main/json-ld/meddra-context.jsonld
- aid: meddra:meddra-versions-api
  name: meddra Versions API
  description: Dictionary version management
  humanURL: https://www.meddra.org/
  baseURL: https://api.meddra.example.com
  tags:
  - Versions
  properties:
  - type: OpenAPI
    url: openapi/meddra-versions-api-openapi.yml
  - type: Documentation
    url: https://www.meddra.org/
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/meddra/refs/heads/main/json-schema/meddra-term-schema.json
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/meddra/refs/heads/main/json-ld/meddra-context.jsonld
common:
- type: AgenticAccess
  url: agentic-access/meddra-agentic-access.yml
- type: DomainSecurity
  url: security/meddra-domain-security.yml
- type: Authentication
  url: authentication/meddra-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/meddra-msso
- url: https://www.meddra.org/
  type: Portal
- url: https://www.meddra.org/
  type: Website
- url: https://raw.githubusercontent.com/api-evangelist/meddra/refs/heads/main/openapi/meddra-terminology-openapi.yml
  type: OpenAPI
- url: https://raw.githubusercontent.com/api-evangelist/meddra/refs/heads/main/json-schema/meddra-term-schema.json
  type: JSONSchema
- url: https://raw.githubusercontent.com/api-evangelist/meddra/refs/heads/main/json-ld/meddra-context.jsonld
  type: JSONLDContext
maintainer:
  name: Kin Lane
  email: kin@apievangelist.com
modified: '2026-05-19'
description: MedDRA (Medical Dictionary for Regulatory Activities) is a clinically validated international medical terminology
  dictionary used by regulatory authorities and the regulated biopharmaceutical industry.