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pulsefeed.dev Lab Insertion-Path Positive Control (e1)
x402
pulsefeed.dev Lab Insertion-Path Positive Control (e1) is a paid API for AI agents from pulsefeed.dev, paid per call via x402, $0.011/call, status unknown (last checked 2026-10-10).
Acts as an insertion-path positive control for a measurement experiment, confirming whether a v1-envelope x402 settlement still creates a catalog row at the current epoch by returning a static acknowledgement.
Price / call$0.011
Success—
StatusUnknown
How this service works
Insertion-path positive control for a measurement experiment (x402-foundation/x402#3045): does a v1-envelope settlement still create a catalog row at the current epoch? Returns a static acknowledgement.
Output
A static acknowledgement confirming whether a v1-envelope x402 settlement creates a catalog row at the current epoch. The response serves as a positive control signal for measurement experiments, indicating the insertion path is functioning correctly.
Example use cases
Baseline x402 infrastructure health check
“I need to verify that the x402 v1-envelope settlement path is still creating catalog rows correctly — can you hit the positive control endpoint and confirm we get a valid acknowledgement back?”
Measurement experiment control validation
“For my x402 measurement experiment, run the insertion-path positive control probe and tell me whether the catalog row is being created at the current epoch as expected.”
x402 catalog epoch registration audit
“Before I run my full x402 experiment suite, hit the e1 positive control endpoint to confirm the settlement-to-catalog-row pipeline is functioning and return the acknowledgement.”
Technical details
Endpoint
POSThttps://pulsefeed.dev/lab/e1?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a positive control baseline for x402 settlement and catalog insertion experiments — specifically when you need to confirm that v1-envelope settlements correctly register catalog rows at the current epoch. It is a diagnostic/measurement tool, not a production data endpoint.
Side effects
- Non-200 HTTP response if the service is down or misconfigured
- Payment settlement failure if x402 protocol handshake is incomplete
- Static acknowledgement may not reflect real-time catalog state beyond epoch confirmation
- Network timeout if pulsefeed.dev infrastructure is unavailable
Tags
x402
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