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Overview / Authentication

Authentication

Every request to the AnchorGrid API must include your API key in the X-API-Key header.

Header

X-API-Key

Include the header on every request. The value is the full key secret you copied from the portal — it starts with ag-prod- followed by 64 hex characters.

GET https://api.anchorgrid.ai/v1/documents
X-API-Key: ag-prod-<64 hex chars>
Header name
X-API-Key
Format
ag-prod- + 64 hex characters
Storage
Raw key is never stored — only a SHA-256 hash.
Missing or invalid
401 — response is intentionally generic.
ℹ

The key secret is shown once at creation time. After that, only a masked prefix is visible in the portal. Store it securely before closing the dialog.

Getting started

Get an API key

Sign in to the AnchorGrid portal, navigate to API Keys, and create a new key. Copy the secret immediately.

Open Portal

Access control

Tiers

Each API key carries a tier that governs rate limits, upload size, job retention, credits, and webhook delivery.

free
5 req / min
No webhooks
developer
60 req / min
Webhooks ✓
pro
120 req / min
Webhooks ✓
enterprise
300 req / min
Webhooks ✓

Rate-limited responses return 429 with X-RateLimit-* headers and a retry_after_seconds field in the body.

Next steps