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Quantum Circuit Local Gate Optimizer
x402
Quantum Circuit Local Gate Optimizer is a paid API for AI agents from quantum.halowerk.com, paid per call via x402, $0.004/call, status unknown (last checked 2026-09-14).
Cancels adjacent identical self-inverse gates on the same qubits and merges adjacent RX/RY/RZ rotation gates on identical targets into single rotations.
Price / call$0.004
Success—
StatusUnknown
How this service works
Cancels adjacent identical self-inverse gates on identical ordered targets and folds adjacent RX, RY or RZ rotations on identical targets. It preserves only these local identities; it does not commute gates, model hardware topology, synthesize arbitrary unitaries or prove global optimality.
Output
Returns the optimized gate sequence with adjacent self-inverse gate pairs removed and consecutive same-axis rotation angles folded into single gates, reducing overall gate count while preserving the circuit's unitary operation.
Example use cases
Cancel redundant Hadamard pairs
“I have a 4-qubit circuit where H is applied twice in a row on qubit 2 — can you optimize it and remove those redundant gates? The full gate list is: H on qubit 0, CNOT on qubits 0 and 1, H on qubit 2, H on qubit 2, RZ(1.57) on qubit 3.”
Fold accumulated rotation angles
“I've built up a sequence of RY rotations on qubit 0 — RY(0.3), RY(0.7), RY(0.5) — and I want them folded into a single gate. The circuit has 2 qubits, can you merge those into one RY?”
Pre-process circuit before hardware submission
“Before I submit this 8-qubit circuit to the hardware backend, can you do a local gate optimization pass to cancel any adjacent self-inverse gates and merge consecutive RX or RZ rotations on the same qubit? Here's the gate list: X on qubit 0, X on qubit 0, RZ(0.4) on qubit 1, RZ(0.9) on qubit 1, CZ on qubits 2 and 3.”
Technical details
Endpoint
POSThttps://quantum.halowerk.com/v1/circuit-optimizeWhen to prefer
Use this endpoint when you need fast, local gate count reduction on a quantum circuit — specifically to cancel adjacent self-inverse gates (X, H, CNOT, etc.) or merge consecutive same-axis rotations (RX, RY, RZ). It is ideal as a lightweight preprocessing step before hardware submission. Do not use it if you need commutativity-based reordering, hardware topology mapping, arbitrary unitary synthesis, or global optimality guarantees.
Side effects
- Gate list exceeds 10000 gates — request rejected
- Qubit index exceeds qubit_count or exceeds maximum of 127
- RX/RY/RZ gate missing required angle_rad field
- Invalid gate type not in supported enum
- angle_rad outside allowed range [-1000000, 1000000]
- Empty gate list submitted
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| gates | array | |
| qubit_count | integer |
Tags
x402
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