CollegeCalcAI Colleges API

College search and admissions data

Documentation GitHub OpenAPI

Operations 3

1 of 3 operations are conformant: apis.io called them with no credentials and the responses matched this contract. Checked 2026-11-11. how this works · status file

GET /api/v1/score-range Colleges for a SAT, ACT or GPA #

GET /api/v1/colleges Search U.S. colleges conformant #

GET /api/v1/colleges/{school} Admissions data for one college #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Collegecalcai Com Colleges API
  version: 1.1.0
  contact:
    name: CollegeCalcAI
    url: https://collegecalcai.com/contact
    email: support@collegecalcai.com
  license:
    name: Free to use with attribution
    url: https://collegecalcai.com/developers#terms
  termsOfService: https://collegecalcai.com/terms
  description: 'Operations tagged Colleges across 2 of this provider''s published API definitions: collegecalcai-com-openapi.json, collegecalcai-com-openapi.yml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://collegecalcai.com
  description: Production
tags:
- name: Colleges
  description: College search and admissions data
paths:
  /api/v1/score-range:
    get:
      tags:
      - Colleges
      operationId: collegesForScore
      summary: Colleges for a SAT, ACT or GPA
      description: Answers 'what colleges can I get into with a ___'. Buckets every covered college into safety, target, reach and high reach for one SAT, ACT or unweighted GPA, from each college's admitted-score data. Optional state.
      parameters:
      - name: sat
        in: query
        schema:
          type: integer
          minimum: 400
          maximum: 1600
        description: SAT total. Provide one of sat, act or gpa.
      - name: act
        in: query
        schema:
          type: integer
          minimum: 1
          maximum: 36
      - name: gpa
        in: query
        schema:
          type: number
          minimum: 0
          maximum: 4
        description: Unweighted GPA.
      - name: state
        in: query
        schema:
          type: string
          pattern: ^[A-Za-z]{2}$
        description: Only colleges in this state.
      - name: X-Client-Name
        in: header
        required: false
        schema:
          type: string
          maxLength: 60
        description: Optional name of your app or assistant, for our usage stats.
      responses:
        '200':
          description: Colleges by tier
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ScoreRange'
        '400':
          description: Missing or invalid input (usually no GPA)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '429':
          description: Rate limit reached
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
    servers:
    - url: https://collegecalcai.com
      description: Production
  /api/v1/colleges:
    get:
      tags:
      - Colleges
      operationId: searchColleges
      summary: Search U.S. colleges
      description: Find colleges by name, state, public or private, and acceptance-rate range. With a SAT score, results are ranked by how close the student is to each college's 75th percentile.
      parameters:
      - name: query
        in: query
        schema:
          type: string
        description: Part of a college name.
      - name: state
        in: query
        schema:
          type: string
          pattern: ^[A-Za-z]{2}$
      - name: type
        in: query
        schema:
          type: string
          enum:
          - public
          - private
      - name: minAcceptanceRate
        in: query
        schema:
          type: number
          minimum: 0
          maximum: 100
        description: Percent.
      - name: maxAcceptanceRate
        in: query
        schema:
          type: number
          minimum: 0
          maximum: 100
        description: Percent.
      - name: sat
        in: query
        schema:
          type: integer
          minimum: 400
          maximum: 1600
      - name: limit
        in: query
        schema:
          type: integer
          minimum: 1
          maximum: 25
          default: 10
      - name: X-Client-Name
        in: header
        required: false
        schema:
          type: string
          maxLength: 60
        description: Optional name of your app or assistant, for our usage stats.
      responses:
        '200':
          description: Matching colleges
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CollegeSearch'
        '429':
          description: Rate limit reached
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
    servers:
    - url: https://collegecalcai.com
      description: Production
  /api/v1/colleges/{school}:
    get:
      tags:
      - Colleges
      operationId: getCollege
      summary: Admissions data for one college
      description: Federal admissions and outcome data for one college (applicants, admits, yield, SAT/ACT middle 50%, test policy, cost, net price, graduation rate, earnings) plus estimated chances for typical GPA and SAT profiles.
      parameters:
      - name: school
        in: path
        required: true
        schema:
          type: string
        description: Page slug (cornell-university) or name (Cornell).
      - name: X-Client-Name
        in: header
        required: false
        schema:
          type: string
          maxLength: 60
        description: Optional name of your app or assistant, for our usage stats.
      responses:
        '200':
          description: The college
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/College'
        '404':
          description: College not recognized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '429':
          description: Rate limit reached
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
    servers:
    - url: https://collegecalcai.com
      description: Production
components:
  schemas:
    Facts:
      type:
      - object
      - 'null'
      description: Federal admissions and outcome figures
      properties:
        applied:
          type:
          - integer
          - 'null'
        admitted:
          type:
          - integer
          - 'null'
        enrolled:
          type:
          - integer
          - 'null'
        yieldPercent:
          type:
          - number
          - 'null'
        satMiddle50:
          type:
          - array
          - 'null'
          items:
            type: integer
        actMiddle50:
          type:
          - array
          - 'null'
          items:
            type: integer
        testPolicy:
          type:
          - string
          - 'null'
        undergraduates:
          type:
          - integer
          - 'null'
        costOfAttendance:
          type:
          - number
          - 'null'
        netPriceAfterAid:
          type:
          - number
          - 'null'
        graduationRatePercent:
          type:
          - number
          - 'null'
        medianEarnings10yr:
          type:
          - number
          - 'null'
        dataYear:
          type: integer
        source:
          type: string
        earlyRounds:
          type:
          - object
          - 'null'
          description: Early Decision, Early Action, waitlist and transfer counts and rates from the college's own Common Data Set (C1, C2, C21, C22, D2), when published
          additionalProperties: true
    College:
      type: object
      properties:
        school:
          $ref: '#/components/schemas/SchoolRef'
        facts:
          $ref: '#/components/schemas/Facts'
        chancesAtTypicalProfiles:
          type:
          - object
          - 'null'
          properties:
            satColumns:
              type: array
              items:
                type: integer
            rows:
              type: array
              items:
                type: object
                properties:
                  gpa:
                    type: number
                  cells:
                    type: array
                    items:
                      type: object
                      properties:
                        sat:
                          type:
                          - integer
                          - 'null'
                        chancePercent:
                          type:
                          - integer
                          - 'null'
                        verdict:
                          type:
                          - string
                          - 'null'
            assumptions:
              type: string
        page:
          type:
          - string
          - 'null'
          format: uri
        estimateMyChances:
          type: string
          format: uri
        attribution:
          type: string
    Error:
      type: object
      properties:
        error:
          type: string
      required:
      - error
    CollegeSearch:
      type: object
      properties:
        total:
          type: integer
        colleges:
          type: array
          items:
            $ref: '#/components/schemas/SchoolRef'
        note:
          type:
          - string
          - 'null'
    SchoolRef:
      type: object
      properties:
        name:
          type: string
        state:
          type: string
        type:
          type: string
        acceptanceRate:
          type:
          - number
          - 'null'
          description: Percent admitted
        page:
          type: string
          format: uri
    ScoreRange:
      type: object
      properties:
        score:
          type: string
        bucketedAt:
          type: string
          description: The published rung the colleges were bucketed at
        summary:
          type: string
        tiers:
          type: object
          additionalProperties:
            type: object
            properties:
              count:
                type: integer
              meaning:
                type:
                - string
                - 'null'
              examples:
                type: array
                items:
                  $ref: '#/components/schemas/SchoolRef'
        method:
          type: string
        page:
          type: string
          format: uri
        attribution:
          type: string
externalDocs:
  description: Developer guide, MCP setup and examples
  url: https://collegecalcai.com/developers
x-refined-from:
- collegecalcai-com-openapi.json
- collegecalcai-com-openapi.yml