Maven Central Search API

Base URL

https://search.maven.org/solrsearch

Authentication

No key or account. The same index powers the search box on search.maven.org.

Rate limit

Not published, but Sonatype throttles aggressive clients. Cache results and send a descriptive User-Agent.

Pricing

Free.

CORS

Not enabled — call it from your server

Official docs

Read the docs

Every request below was executed against the live API on 21 Aug 2026, and the response shown is the real body it returned — not an illustration.

curl 'https://search.maven.org/solrsearch/select?q=g:com.google.guava&rows=2&wt=json'

const res = await fetch("https://search.maven.org/solrsearch/select?q=g:com.google.guava&rows=2&wt=json");
if (!res.ok) throw new Error(`Request failed: ${res.status}`);
const data = await res.json();
console.log(data);

import requests

res = requests.get("https://search.maven.org/solrsearch/select?q=g:com.google.guava&rows=2&wt=json", timeout=20)
res.raise_for_status()
print(res.json())

{
  "responseHeader": {
    "status": 0,
    "QTime": 1,
    "params": {
      "q": "g:com.google.guava",
      "core": "",
      "indent": "off",
      "spellcheck": "true",
      "fl": "id,g,a,latestVersion,p,ec,repositoryId,text,timestamp,versionCount",
      "start": "",
      "spellcheck.count": "5",
      "sort": "score desc,timestamp desc,g asc,a asc",
      "rows": "2",
      "wt": "json",
      "version": "2.2"
    }
  },
  "response": {
    "numFound": 21,
    "start": 0,
    "docs": [
      {
        "id": "com.google.guava:guava-gwt",
        "g": "com.google.guava",
        "a": "guava-gwt",
        "latestVersion": "33.4.8-jre",
        "repositoryId": "central",
        "p": "jar",
        "timestamp": 1744652208425,
        "versionCount": 94,
        "text": [
          "com.google.guava",
          "guava-gwt",
          "-sources.jar",
          ".pom",
          ".jar"
        ],
        "ec": [
          "-sources.jar",
          ".pom",
          ".jar"
        ]
      },
      {
        "id": "com.google.guava:guava-testlib",
        "g": "com.google.guava",
        "a": "guava-testlib",
        "latestVersion": "33.4.8-jre",
        "repositoryId": "central",
        "p": "jar",
        "timestamp": 1744651668186,
        "versionCount": 145,
        "text": [
          "com.google.guava",
          "guava-testlib",
          "-sources.jar",
          ".pom",
          "-test-sources.jar",
          "-javadoc.jar",
          "-tests.jar",
          ".jar"
        ],
        "ec": [
          "-sources.jar",
          ".pom",
          "-test-sources.

responseHeader.paramsobject

Echo of every parameter Solr actually applied, including defaults you did not send. Invaluable when a query returns something unexpected.

response.numFoundinteger

Total matches, which is usually far larger than the rows returned. Page with `start` rather than raising `rows` indefinitely.

response.docs[].idstring

Coordinate string, `groupId:artifactId` in the default core and `groupId:artifactId:version` when `core=gav`.

response.docs[].g / astring

groupId and artifactId as separate fields, which is what you actually paste into a build file.

response.docs[].latestVersionstring

Newest published version. Absent when `core=gav`, where each row carries `v` instead.

response.docs[].timestampinteger

Publication time in epoch MILLISECONDS. Divide by 1000 before passing it to a seconds-based date function.

response.docs[].versionCountinteger

How many versions exist, a quick proxy for how actively maintained an artifact is.

response.docs[].ecarray of strings

Published file extensions such as `.jar`, `-sources.jar` and `-javadoc.jar`. Check here before assuming sources are available.

• Check whether a dependency has a newer release before an upgrade
• Resolve a partial coordinate to full groupId and artifactId in a build tool
• Audit which of a project's dependencies publish sources and javadoc jars
• Build a dependency search feature into an internal developer portal
• Track how many versions of a library have shipped over time

If Maven Central Search does not fit, these developer & testing apis cover similar ground. Every one was called before publishing, and each links to its own reference page with a working curl command and the response it returned.