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Halowerk IoT Digital Twin Field Sync
x402
Halowerk IoT Digital Twin Field Sync is a paid API for AI agents from iot.halowerk.com, paid per call via x402, $0.004/call, status unknown (last checked 2026-09-14).
Groups scalar field changes from local and remote sources by field name, selects the highest-version value as the winner, and flags conflicts where equal-version values differ.
Price / call$0.004
Success—
StatusUnknown
How this service works
Groups caller-supplied scalar field changes by field name, selects the highest version, and reports a conflict when equal-version values differ. It does not connect to a twin platform, merge nested documents or resolve semantic conflicts.
Output
Returns a merged set of scalar field states where each field is resolved to the value with the highest version number; any field where local and remote share the same version but carry different values is reported as a conflict. No platform connection or nested document merging is performed — output is a flat field-level reconciliation result.
Example use cases
Edge device shadow reconciliation
“My edge sensor just came back online after being offline — local changes include 'battery_level' value 0.82 version 12, 'door_open' value true version 9; remote has 'battery_level' value 0.91 version 11, 'door_open' value false version 9. Merge these and tell me which values win and whether any conflicts exist.”
Dual-source IoT property conflict detection
“I have two sets of updates for a smart lock: local says 'lock_state' is 'locked' at version 7 and 'last_seen' is 1700000100 at version 3; remote says 'lock_state' is 'unlocked' at version 7 and 'last_seen' is 1700000050 at version 4. Which values should I keep and are there any version conflicts I need to resolve?”
Fleet firmware state merge
“After a partial OTA push, some devices have local field 'fw_version' set to '2.4.1' at version 20 and remote has it as '2.3.9' at version 18, plus 'config_hash' is '0xABCD' version 5 locally and '0xEFGH' version 5 remotely. Sync these fields and tell me where the versions clash.”
Technical details
Endpoint
POSThttps://iot.halowerk.com/v1/digital-twin-syncWhen to prefer
Choose this endpoint when you need a lightweight, stateless, version-based last-write-wins merge of flat scalar IoT fields without connecting to a full digital twin platform. It is ideal for edge-to-cloud reconciliation, offline-sync catch-up, or pre-flight conflict checking before committing state. Prefer alternatives if you need nested document merging, semantic conflict resolution, or direct integration with a twin platform like Azure Digital Twins or AWS IoT Device Shadow.
Side effects
- Duplicate field entries with ambiguous versions may produce unpredictable winner selection
- Fields with version numbers at the maximum integer boundary (1000000000000) may cause overflow edge cases
- Non-scalar (nested object) values are not supported and will be rejected or ignored
- Arrays exceeding 10,000 items will be rejected with a validation error
- Missing required fields (field, value, version) on any item will cause a 400 error
- Semantic conflicts (e.g. unit mismatches) are not detected — only version-level equality conflicts are flagged
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| local_changes | array | |
| remote_changes | array |
Tags
x402
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