Detect drift. Prove impact. Validate the repair.

Monitor APIs, webhooks, scheduled feeds, and queues for drift. Reproduce failures from approved evidence, then validate bounded repairs before delivery.

Request early access

Runs outside your request path. Fails open. Stores structure, never raw payloads.

Seamward | Integration reliability control plane
seamward.com/app/seamward-demo/incidents/inc_seed_candidate_missing
Seamward console showing the open incident 3 candidate outcomes missing after successful candidate.create events for the Candidate ATS integration in production, with 3 affected records, 1 affected tenant, first observed 12 Aug 2026 10:45 UK time, and an incident workflow of Detection complete, Evidence collected, Replay passed, and Repair approved.

The problem

  1. The change

    Providers rename fields, change auth, and reorder events without telling you.

  2. The signal

    Your uptime checks stay green, because every request still returns 200.

  3. The discovery

    You find out from a customer, or during unrelated work, days later.

One incident, one evidence chain

What Seamward does with a webhook that succeeded and still failed

  1. 01complete

    Detection

    The provider renamed email_address to candidate_email. Seamward compared observed shape with the declared contract and raised the finding on the exact path, $.email_address.

    42 samples · 12 Aug 2026, 10:50 UK time

  2. 02collected

    Evidence

    Three candidate.create events were accepted with a 202. Three candidate records never appeared. Seamward linked each observation to the missing outcome and opened one incident: one tenant, three records, three redacted evidence entries.

    3 affected records · 1 tenant · redacted IDs and hashes

  3. 03passed

    Replay

    The same redacted evidence became an immutable fixture set. The current adapter failed every fixture. The candidate fix passed every fixture. The runner had no network, 64 MB of memory, and five seconds.

    child process · network denied · 64 MB · 5 s

  4. 04approved

    Repair

    The proposal maps $.candidate_email back to $.email_address. Deterministic validation signed off. Your team recorded the approval. Nothing was deployed, and no customer code was changed.

    deterministic · low risk · approved 17 Aug 2026

The approved repair

Every claim on the card is checked before you see it

The mapping, its assumptions, the before and after replay, and the deterministic checks sit on one card. Approval records a decision. It does not deploy.

The approved evidence chain can then become a GitHub issue or draft pull request for your normal review.

proposed repairapproved
low risk · 24

bounded mapping

$.candidate_email$.email_address
incident
3 candidate outcomes missing · 1 tenant
dataset
rds_seed_candidate_missing · 3 immutable fixtures
isolation
child process · network denied · 64 MB · 5 s
source
deterministic · no AI provider used

before repair

failed

0/ 3 fixtures

proposed repair

passed

3/ 3 fixtures

deterministic checks · 8 of 8 passed

  • Supported proposal format
  • Bounded operation count
  • Supported operations only
  • Safe field paths
  • Distinct source and target fields
  • Linked to incident evidence
  • Operations justified by cited evidence
  • Within approval risk policy

Approved by Demo Owner · workspace owner · 17 Aug 2026

sha256:9f2c…c41d

Replay fixtures and schema checks support this bounded mapping.

What Seamward will not do

Automation stops where your judgement starts

Your service calls the third-party API on the request path. The collector observes after execution and sends structure, not payloads, to Seamward, which sits outside the request path. Seamward detects and scopes, replays with the network denied, and delivers to GitHub only after a recorded approval.Your servicecalls the providerThird-party APIor webhookrequest path · 202 · 84 msCollectorfails open · never proxiesobserves after executionstructure, not payloadsrequest pathobserve-only branchSeamwardoutside your request pathDetect and scopecontract vs observedexpected outcomesReplaynetwork denied64 MB · 5 s · isolatedDeliverGitHub issue or draft PRafter a recorded approval

  • It never sits in your request path.

    The collector observes after execution. If Seamward is down, your integration is not.

  • It never stores raw payloads by default.

    Redaction and hashing happen in your process, before anything leaves it.

  • It never validates against live systems.

    Replay runs in an isolated child process with no network access.

  • It never deploys.

    A model can propose and explain. Deterministic validation decides. You approve. Delivery is a reviewable artifact in GitHub, not a change in production.

Instrument in one call

Observe the integrations you already run

Wrap an integration after its normal execution path. Redaction runs in your process, so what leaves it is structure.

Node.js collector
Shipped
Laravel and PHP collectors
Public alpha
REST ingestion from any runtime
Shipped
candidate-webhook.tsShipped
import { createSeamwardCollector } from "@seamward/collector";

const webhookCollector = createSeamwardCollector({
  connectionKey: process.env.SEAMWARD_CONNECTION_KEY,
  ingestToken: process.env.SEAMWARD_INGEST_TOKEN,
  deployment: { service: "candidate-api", commitSha: process.env.GITHUB_SHA },
});

// Wrap the handler you already have. The response you return is what your
// caller receives. Seamward records structure after it has been sent.
export const handleCandidateWebhook = webhookCollector.observeWebhook(
  { routeTemplate: "/webhooks/candidates" },
  async (payload) => {
    const candidate = await candidateService.accept(payload);

    return {
      statusCode: 202,
      eventType: "candidate.create",
      outcome: {
        accepted: true,
        businessObjectType: "candidate",
        businessObjectId: candidate.id,
      },
    };
  },
);

Built for

Teams that depend on APIs they do not control

If you have more than five external integrations and the last provider change surprised you, this is for you.

  • Recruitment and HR

    applicant tracking systems

  • Fintech

    payment and banking providers

  • Marketplaces

    partner webhooks

  • Logistics

    carrier and partner feeds

Early access

Bring us the integration failure you need to prove

Seamward is onboarding teams with real third-party reliability problems. Start with one integration.

Request early accessRead the quick start

Runs outside your request path. Fails open. Stores structure, never raw payloads.