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Clio Activities API

Activities (Time Entries and Expense Entries) track work done at a firm. Activities are recorded in Clio and then posted on bills to clients.Time Entries can be either be hourly-billable or flat-rate. An hourly-billable Time Entry is valued at the billing rate multiplied by the time entered. Examples could be a phone call, or a research session. A flat-rate Time Entry has a set value. Examples could be a visa application, or a contract review.Expenses are reimbursable costs the firm pays on behalf of a client (for example, postage, copy fees, etc.).[Support Link](https://help.clio.com/hc/en-us/sections/9036198517915-Activities)[Activities in Clio](http://app.clio.com/activities)

Clio Activities API is one of 85 APIs that Clio publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Activities. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, and authentication docs.

This API exposes 5 operations across 2 paths, and defines 25 schemas. It is described by OpenAPI 3.2.0, at version v4.

Requests are made against 4 base URLs: https://app.clio.com/api/v4, https://eu.app.clio.com/api/v4, https://ca.app.clio.com/api/v4, https://au.app.clio.com/api/v4.

5 operations 2 paths 25 schemas 1 DELETE2 GET1 PATCH1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
v4
Base URL
https://app.clio.com/api/v4
Resource Areas
1

Paths & Operations 5

Across 2 paths, the API surfaces 5 operations — 1 DELETE, 2 GET, 1 PATCH, 1 POST. Each is listed below with its method, path, parameters, and response codes.

Activities 5

Activities (Time Entries and Expense Entries) track work done at a firm. Activities are recorded in Clio and then posted on bills to clients. Time Entries can be either be hourly-…

GET
/activities.json
Return the data for all Activities
Activity#index 25 params → 200400401403429
POST
/activities.json
Create a new Activity
Activity#create 2 params body → 201400403404422401429
GET
/activities/{id}.json
Return the data for a single Activity
Activity#show 5 params → 200400403404401429304
PATCH
/activities/{id}.json
Update a single Activity
Activity#update 4 params body → 200400403404422401429412
DELETE
/activities/{id}.json
Delete a single Activity
Activity#destroy 2 params → 204403

Schemas 25

The contract defines 25 schemas that model the data the API accepts and returns. The most detailed are Bill_base (40 properties), Contact_base (28 properties), Activity_base (25 properties), Matter_base (23 properties). Each schema is shown below with its type and property counts.

TaxSetting_base
object
6 properties
Activity_List
object
1 property 1 required
ClientPortal_base
object
6 properties
User_base
object
19 properties
UtbmsCode_base
object
9 properties
PolymorphicObject_base
object
5 properties
Activity_Task_base
object
2 properties
Activity_Show
object
1 property 1 required
Note_base
object
10 properties
ErrorDetail
object
2 properties 2 required
Timer_base
object
6 properties
Error
object
1 property 1 required
Activity
DocumentVersion_base
object
13 properties
Activity_TextMessageConversation_base
object
2 properties
Contact_base
object
28 properties
Matter_base
object
23 properties
ExpenseCategory_base
object
12 properties
ActivityDescription_base
object
15 properties
LegalAidUkActivity_base
object
16 properties
Activity_CalendarEntry_base
object
3 properties
Bill_base
object
40 properties
Currency_base
object
6 properties
Communication_base
object
10 properties
Activity_base
object
25 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

clio-activities-api-openapi.yml Raw ↑

Other APIs Clio publishes across the network.

Clio Webhooks
Clio App Directory
Clio Activity Descriptions API
Clio Activity Rates API
Clio Allocations API
Clio Bank Accounts API
Clio Bank Transactions API
Clio Bank Transfers API
Clio Bill Themes API
Clio Billable Clients API
Clio Billable Matters API
Clio Billing Settings API
Where this information came from

This is an independent, third-party profile of Clio Activities API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

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