Launched January 6, 2026
Unifio
Merge JSON, XML, CSV & YAML — Instantly.
SubscriptionAPI235 impressions#930 of its week
Unifio is a universal data combiner API that merges JSON, XML, YAML, and CSV into one clean JSON output. Define your output structure, get back a Base64-encoded JSON, and stop writing messy merge scripts forever.
Unifio is an API that merges JSON, XML, CSV and YAML into a single sanitized JSON output.
- for
- Developers who need to combine heterogeneous data formats without writing custom merge code
works withJSONCSVXMLYAML
Key features
6 features of Unifio
- Combine multiple formats — Merge JSON, CSV, XML and YAML payloads into one structured JSON document.
- CSV formula neutralization — Automatically strip dangerous spreadsheet formulas from CSV inputs.
- YAML exploit protection — Sanitize YAML tags to prevent exploit vectors.
- Output shaping — Apply JSONPath mappings and truncation limits to shape the final output.
- Encoding validation — Detect invalid encodings and reject binary uploads by default.
- Safety guards — Built-in sanitization and safety checks to ensure clean data hygiene.
Use cases
- Merge data from a legacy XML service and a modern JSON API into a single response
- Clean user-uploaded CSV files before storing them in a database
- Transform YAML configuration files into JSON for front-end consumption
- Build an integration pipeline that combines multiple third-party data feeds without custom scripts
- Validate and sanitize incoming data streams in a microservice architecture
Unifio vs alternatives
 Unifio |  Unified.to |  WunderGraph |  Postman |  Insomnia | |
|---|---|---|---|---|---|
| Best for | Unified data merging via API | One API to integrate many services | API composition and GraphQL layer | API design, testing and documentation | API client for REST/GraphQL testing |
| Pricing | Subscription | Subscription | Free | Subscription | Free |
| DevHunt upvotes | 0 | 37 | 38 | 0 | 0 |
| Launched | Jan 2026 | Jan 2023 | Jan 2023 | — | — |
- Unifio vs Unified.to: Unified.to offers a single API for many integrations, but focuses on broader service connections rather than format merging.
- Unifio vs WunderGraph: WunderGraph provides API composition and GraphQL generation, not specific data-format merging.
- Unifio vs Postman: Postman is an API design and testing tool, not a data-format merging service.
- Unifio vs Insomnia: Insomnia is an API client for testing, not a data transformation API.
Unifio FAQ
What format does Unifio return?+
Unifio always returns a Base64-encoded JSON document that follows the defined output structure.
Can Unifio reject binary files?+
Yes, the API detects binary uploads and rejects them by default to protect against malformed data.
How does Unifio handle dangerous CSV content?+
It automatically neutralizes spreadsheet formulas in CSV inputs to prevent injection attacks.
Is there support for custom output templates?+
You can define output shaping using JSONPath mappings and truncation limits in the request.
Summarized by DevHunt from unifio.vercel.app · Oct 6, 2026. Details may change; check the official site.
