Social Activity Feed JSON Example

A feed item with actor, target, content metadata, and reaction aggregates.

Real-world use case: Use this for activity streams, notifications, or collaboration tools.

2 "activityId": "act_4001",

3 "type": "comment.created",

4 "actor": {

5 "id": "usr_420",

6 "name": "Leah Kim"

7 },

8 "target": {

9 "type": "post",

10 "id": "post_884"

11 },

12 "content": {

13 "text": "Shipping update looks good to me.",

Where this shape shows up in production

Activity feeds

Collaboration apps

Notification centers

Use this for event tracking, ingestion pipelines, and product analytics docs.

Use this for bulk imports, multi-row updates, or admin actions that process several items at once.

Real-time JSON — WebSockets, SSE & Socket.IO

Send and receive JSON in real time: WebSocket message protocols, Server-Sent Events, Socket.IO patterns, and connection lifecycle management.

Structuring JSON API Responses — Patterns That Scale

Design clean, consistent JSON API response formats. Covers envelope patterns, error handling, pagination, HATEOAS, and versioning.

JSON Pretty Print & Viewer

Pretty-print, minify, and inspect JSON with strict-valid output, lenient repair modes, tree search, and local-only processing.

JSON Grid Viewer

Explore JSON as a sortable grid with nested cell inspection, dataset-path selection, and visible-state CSV or Excel export.

JSON Path Finder

Discover exact and wildcard JSONPath expressions with interactive tree exploration, search, and live extracted values.