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Technical Blog
Articles

In-depth articles explaining stateful mock APIs, WebSockets, payments, and frontend resilience.

Read Articles
PreviousTodos Resource
NextMultipart File Uploads
Custom Collections Studio

Custom Collections & Dynamic Schemas

Instantly provision arbitrary database tables on the fly without writing backend schemas, database migrations, or ORM models. Define your custom columns, expand relational joins (?_expand=), test optional 422 contract validation, and bulk import spreadsheets.

Active Collections

0

In Visitor Sandbox
Selected Collection

/products

0 records active
Schema Status

Schemaless

Flexible NoSQL mode
Relational Joins

_expand

Foreign Key Linking
Target Collection:
Export .xlsxExport .csv
Active Collection Columns:
titlestring*reqstatusstring
Multi-Collection Relational Presets:
/custom/products(0 records)

No records found in '/custom/products'

Create your first record manually or generate mock test data using the 1-click generator below.

Related Feature

Session Snapshot JSON

Related Query Feature

CSV & Excel Export & Import