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Evidence, programmable.

Push tasks, pull sealed records, and stream exceptions. The Tessera API lets your WMS, CMMS, and data warehouse speak the same proof language as the floor.

REST · WEBHOOKS

Clean, versioned REST

Predictable JSON, cursor pagination, and idempotent writes. Webhooks for every exception and seal event.

AUTH

Scoped API keys & OAuth

Per-facility scopes, least-privilege tokens, and full access logging on every call.

EXPORT

Audit Pack export

Generate and fetch sealed packs programmatically for any window and site.

POST/v1/tasks/{id}/seal curl
curl https://api.tessera.online/v1/tasks/t_8fb2/seal \
  -H "Authorization: Bearer sk_live_…" \
  -H "Content-Type: application/json" \
  -d '{
    "photos": ["ph_before", "ph_after"],
    "signature": "sg_5521",
    "temp_c": -19.4
  }'
200 OK{ "id": "ev_a91c", "sealed": true, "hash": "0x9f8e…", "ts": "2026-06-15T21:04Z" }
REQUEST ACCESS

Request API access.

API access is provisioned per account. Tell us what you're building and we'll issue scoped keys and onboarding docs.

Scoped keys

Per-facility scopes and least-privilege tokens, issued after review.

Sandbox first

You get sandbox credentials and docs before production access.

Already approved?

Manage keys and webhooks in the console.

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