Response
URL: http://api.mathjs.org/v4?expr=2*2%2B2
Status code: 200
Request Headers
Accept: application/json, text/plain, */*
User-Agent: axios/1.18.1
Accept-Encoding: gzip, compress, deflate, br
Response Headers
access-control-allow-headers: Content-Type, X-Requested-With
access-control-allow-methods: GET, POST, OPTIONS
access-control-allow-origin: *
content-length: 1
content-type: text/html; charset=utf-8
date: Wed, 08 Jul 2026 14:12:42 GMT
etag: W/"1-wd/ZbuqMwrYnhSdbyjisJhJW4ng"
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report-to: {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=hXbCj3lIGoKAiY75fNk2bjEvO%2BapTpxbX6jYy5eUHT4%3D\0026sid=c46efe9b-d3d2-4a0c-8c76-bfafa16c5add\0026ts=1783519962"}],"max_age":3600}
reporting-endpoints: heroku-nel="https://nel.heroku.com/reports?s=hXbCj3lIGoKAiY75fNk2bjEvO%2BapTpxbX6jYy5eUHT4%3D&sid=c46efe9b-d3d2-4a0c-8c76-bfafa16c5add&ts=1783519962"
server: Heroku
vary: Accept-Encoding
via: 1.1 heroku-router
x-powered-by: Express
x-ratelimit-limit: 1000000
x-ratelimit-remaining: 999991
x-ratelimit-reset: 1783605982
connection: close
Response Body
6
