# Accelo REST API

**Canonical:** https://apis.io/apis/accelo/accelo-api/  
**Provider:** Accelo — https://apis.io/providers/accelo/  
**Base URL:** https://{deployment}.api.accelo.com/api/v0  
**Documentation:** https://api.accelo.com/docs/

Accelo REST API is one of 8 APIs that [Accelo](https://apis.io/providers/accelo/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Professional Services Automation, Project Management, CRM, Time Tracking, and Invoicing. The published artifact set on APIs.io includes API documentation and authentication docs.

REST API for Accelo with CRUD access to companies, contacts, activities, tasks, projects (jobs), milestones, invoices, contracts, quotes, prospects, time entries, staff, and webhooks. Uses OAuth 2.0 (service, web, and installed application grants) with a Bearer access token and deployment-scoped subdomain.

## Machine-readable artifacts (3)

- **Documentation** — https://api.accelo.com/docs/
- **Authentication** — https://api.accelo.com/docs/#authentication
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/accelo/refs/heads/main/apis.yml

## Other Accelo APIs (7)

- [Accelo Activities API](https://apis.io/apis/accelo/accelo-activities-api/)
- [Accelo Companies API](https://apis.io/apis/accelo/accelo-companies-api/)
- [Accelo Contacts API](https://apis.io/apis/accelo/accelo-contacts-api/)
- [Accelo Issues API](https://apis.io/apis/accelo/accelo-issues-api/)
- [Accelo Jobs API](https://apis.io/apis/accelo/accelo-jobs-api/)
- [Accelo OAuth API](https://apis.io/apis/accelo/accelo-oauth-api/)
- [Accelo Tasks API](https://apis.io/apis/accelo/accelo-tasks-api/)

## Tags

Professional Services Automation, Project Management, CRM, Time Tracking, Invoicing

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