Is LangSearch free?
Is LangSearch free?
The Free Plan includes all supported Web Search features. Requests are subject to your account’s daily allowance and rate limits. Check the Dashboard for current usage.
When does my allowance reset?
When does my allowance reset?
Automatically, every day at 00:00 UTC. All keys share the same account allowance. There is no manual reset.
How many results can I request?
How many results can I request?
Up to 50 per request. The default is 10. The actual number returned can be smaller.
How do I get full webpage text?
How do I get full webpage text?
Set
contents.text to true. Results return text instead of snippet, with a default limit of 5000 characters per result. Set contents.text to an object such as { "max_characters": 3000 } to choose a different positive limit. Your model can use the source text to compose an answer with citations.Can I filter by date or domain?
Can I filter by date or domain?
Yes. Use
freshness with a preset, a date such as 2026-09-12, or an inclusive range such as 2026-09-01..2026-09-13. Use includeDomains and excludeDomains to choose source domains.Can I connect my coding agent?
Can I connect my coding agent?
Yes. Use the official MCP endpoint or the Skill installation prompt. Both have dedicated setup pages in this documentation.
Do you still offer a Rerank API?
Do you still offer a Rerank API?
Our product now focuses on Web Search API. Rerank is no longer a documented product offering.

