NASA Exoplanet Archive API

Programmatic access to NASA's Exoplanet Archive — confirmed planets, planetary candidates, Kepler/K2/TESS objects of interest, microlensing events, and direct imaging detections. Uses the IPAC Table Access Protocol (TAP) with ADQL queries returning CSV, JSON, VOTable, or IPAC ASCII.

NASA Exoplanet Archive API is one of 17 APIs that NASA Open APIs publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

This API exposes 1 machine-runnable capability that can be deployed as REST, MCP, or Agent Skill surfaces via Naftiko.

Tagged areas include Exoplanets, Astronomy, Astrophysics, and NASA. The published artifact set on APIs.io includes API documentation, an OpenAPI specification, and 1 Naftiko capability spec.

Documentation GitHub OpenAPI

Documentation

https://exoplanetarchive.ipac.caltech.edu/docs/TAP/usingTAP.html

Specifications

https://raw.githubusercontent.com/api-evangelist/nasa-gov/refs/heads/main/openapi/exoplanet-openapi.yml

Other Resources

NaftikoCapability

https://raw.githubusercontent.com/api-evangelist/nasa-gov/refs/heads/main/capabilities/exoplanet.yaml

OpenAPI Specification

openapi: 3.0.3
info:
  title: NASA Exoplanet Archive API
  description: |
    Programmatic access to NASA's Exoplanet Archive - confirmed planets, planetary candidates, Kepler/K2/TESS
    objects of interest, microlensing events, and direct imaging detections. Uses the IPAC Table Access
    Protocol (TAP) with ADQL queries returning CSV, JSON, VOTable, or IPAC ASCII.
  version: '1.0'
  contact:
    name: NASA Exoplanet Archive
    url: https://exoplanetarchive.ipac.caltech.edu/docs/TAP/usingTAP.html
  license:
    name: US Government Work (Public Domain)
servers:
- url: https://exoplanetarchive.ipac.caltech.edu/TAP
paths:
  /sync:
    get:
      summary: Synchronous TAP Query
      operationId: tapSync
      tags:
      - TAP
      parameters:
      - name: query
        in: query
        required: true
        description: ADQL query string.
        schema:
          type: string
      - name: format
        in: query
        description: Response format.
        schema:
          type: string
          enum:
          - csv
          - votable
          - json
          - tsv
          - ipac
      - name: lang
        in: query
        schema:
          type: string
          default: ADQL
      responses:
        '200':
          description: Tabular query result in the requested format.
  /async:
    post:
      summary: Asynchronous TAP Query
      operationId: tapAsync
      tags:
      - TAP
      requestBody:
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              properties:
                query:
                  type: string
                format:
                  type: string
                lang:
                  type: string
      responses:
        '303':
          description: Redirect to job status endpoint.