# LeadSquared Async API

**Canonical:** https://apis.io/apis/leadsquared/async-api/  
**Provider:** LeadSquared — https://apis.io/providers/leadsquared/  
**Base URL:** https://asyncapi.leadsquared.com  
**Documentation:** https://apidocs.leadsquared.com/async-api/

LeadSquared Async API is one of 4 APIs that [LeadSquared](https://apis.io/providers/leadsquared/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Async, Lead Management, and Queueing. The published artifact set on APIs.io includes API documentation and authentication docs.

Queued, retrying variants of the highest-volume LeadSquared write operations — Capture Leads, Update a Lead, Post an Activity on a Lead, Create a Lead and Activity, Capture Opportunities, Update an Opportunity and Post a Call Log. A submission returns a RequestId which is then polled on a matching status endpoint, with a metrics endpoint per operation. Requests are accepted and retried up to 10 times even while the core platform is unavailable, which is the documented way to keep user-facing capture paths off the 5-second throttle. Authentication adds an x-api-key header to the accessKey/secretKey pair; the status endpoints need only x-api-key. Hosts are regional, mirroring the REST API.

## Machine-readable artifacts (2)

- **Documentation** — https://apidocs.leadsquared.com/async-api/
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/leadsquared/refs/heads/main/authentication/leadsquared-authentication.yml

## Other LeadSquared APIs (3)

- [LeadSquared REST API](https://apis.io/apis/leadsquared/rest-api/)
- [LeadSquared Activities API](https://apis.io/apis/leadsquared/leadsquared-activities-api/)
- [LeadSquared Leads API](https://apis.io/apis/leadsquared/leadsquared-leads-api/)

## Tags

Async, Lead Management, Queueing

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/leadsquared/async-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/leadsquared/.