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OpenAPI Specification

openapi: 3.2.0
info:
  title: Chempirical (Nitramine) Reactions API
  version: '2026-10-09'
  description: 'GENERATED FROM DOCUMENTATION by API Evangelist on 2026-10-09: 6 operation(s) read from 1 public documentation page(s) (each operation names its page in x-source). This is not the provider''s published contract; Chempirical (Nitramine) has published no machine-readable contract that the pipeline could find. Engine: anthropic.'
  x-evidence-tiers:
    code-example: 1
    documentation: 5
    pages-with-code: 1
    pages-read: 1
  x-generated-from: documentation
  x-provenance: generated
  x-authored-by: API Evangelist
  x-generated: '2026-10-09'
  x-generator: generate-contract-from-docs.py
  x-engine: anthropic
  x-sources:
  - https://chempirical.com/api
tags:
- name: Reactions
paths:
  /api/reactions/henry-nitroaldol:
    get:
      operationId: get_api_reactions_henry_nitroaldol
      tags:
      - Reactions
      summary: 'One reaction with its participants: role, equivalents, molar mass and density…'
      x-source: https://chempirical.com/api
      responses:
        '200':
          description: Success (status as documented)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GetApiReactionsHenryNitroaldolResponse'
      x-evidence:
        kind: documentation
  /api/reactions/henry-nitroaldol/scale:
    get:
      operationId: get_api_reactions_henry_nitroaldol_scale
      tags:
      - Reactions
      summary: Scale a reaction from one reagent by specifying anchor CAS, unit and value
      x-source: https://chempirical.com/api
      parameters:
      - name: anchor_cas
        in: query
        required: true
        schema:
          type: string
        description: CAS number of anchor reagent
      - name: anchor_unit
        in: query
        required: true
        schema:
          type: string
        description: 'Unit: g, mL, mmol or mol'
      - name: anchor_value
        in: query
        required: true
        schema:
          type: number
        description: Value for anchor amount
      responses:
        '200':
          description: Success (status as documented)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GetApiReactionsHenryNitroaldolScaleResponse'
      x-evidence:
        kind: documentation
components:
  schemas:
    GetApiReactionsHenryNitroaldolResponse:
      type: object
      properties:
        participants:
          type: array
          description: Array of reaction participants with role, equivalents, molar mass and density
    GetApiReactionsHenryNitroaldolScaleResponse:
      type: object
      properties:
        participants:
          type: array
          description: Array of scaled reaction participants with mass