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Data Toolkit – Unflatten
x402
Data Toolkit – Unflatten is a paid API for AI agents from data.openverbs.com, paid per call via x402, $0.004/call, status unknown (last checked 2026-09-14).
Expands a flat, delimiter-keyed object into a deeply nested object structure
Price / call$0.004
Success—
StatusUnknown
How this service works
Rebuild a nested object from a single-level object whose keys are delimited paths (default delimiter `.`) — the inverse of flatten. Requires a flat object.
Output
A deeply nested JSON object reconstructed from the input flat key-value pairs, where each delimiter-separated segment in the key becomes a level of nesting in the output object.
Example use cases
Restore nested config from flat storage
“I have a flattened config object from our database with keys like "server.host", "server.port", and "db.name" — can you expand it back into a nested JSON config using the dot delimiter?”
Reconstruct nested API payload from form data
“Our form submission gives us flat keys separated by underscores, like "order_items_0_sku" and "order_items_0_qty" — please unflatten this into a proper nested object using underscore as the delimiter.”
Convert flat CSV-derived object to nested document
“I've parsed a CSV row into a flat object with dot-separated keys representing nested fields — can you unflatten it into a structured JSON document so I can store it in MongoDB?”
Technical details
Endpoint
POSThttps://data.openverbs.com/v1/unflattenWhen to prefer
Choose this endpoint when you have a flat object with delimiter-separated keys (e.g. dot notation like 'a.b.c') and need to reconstruct its original nested hierarchical form. Ideal for reversing a flatten operation, restoring nested configs from flat storage, or processing form-encoded data back into structured JSON. Prefer this over hand-rolling recursive logic in your agent when the transformation needs to be reliable and fast.
Side effects
- Missing required 'data' field returns a validation error
- Invalid or empty delimiter causes a bad request response
- Malformed or non-object input body results in schema validation failure
- Ambiguous keys where a key is both a leaf and a parent (e.g. 'a' and 'a.b') may produce unexpected output or an error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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