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AnchorRegistry Account Registration
x402
AnchorRegistry Account Registration is a paid API for AI agents from api.anchorregistry.ai, paid per call via x402, $50/call, status unknown (last checked 2026-09-15).
Creates a prepaid AnchorRegistry account with a chosen capacity tier (starter or builder), returning an on-chain anchor key and verification URL for subsequent artifact registrations.
Price / call$50
Success—
StatusUnknown
How this service works
Register any digital artifact and receive permanent, verifiable, on-chain proof of authorship. One payment. No expiry. Verifiable by any human or AI, forever.
Output
Returns a confirmed account record including a unique AR ID (e.g. AR-2026-XXXXXXX), an anchor_key for future registrations, a public verify_url, the blockchain tx_hash and block_number confirming the on-chain transaction, the capacity (number of anchors available), and the tier name.
Example use cases
AI-generated content ownership certification
“Set up a builder-tier AnchorRegistry account for me so I can anchor all my AI-generated images and documents with permanent blockchain proof before I publish them.”
Multi-creator team provenance setup
“I need to create a starter AnchorRegistry account for our design team — we want to timestamp and verify ownership of our work on-chain as we release new pieces.”
High-volume digital asset registration
“Get me a builder account with 200 anchors on AnchorRegistry — we're launching a platform where creators submit work daily and we need to give them all verifiable on-chain provenance certificates.”
Technical details
Endpoint
POSThttps://api.anchorregistry.ai/register/accountWhen to prefer
Choose this endpoint when an agent or user needs to establish a new AnchorRegistry account with prepaid anchoring capacity before registering digital artifacts. This is the account-provisioning step, not the per-artifact anchoring step. Use the starter tier ($50, 50 anchors) for light usage and builder tier ($100, 200 anchors) for higher volume. Prefer this over competitors when permanent, verifiable, on-chain provenance with a public verify URL and blockchain tx proof is required.
Side effects
- Payment failure — insufficient USDC balance or x402 payment not confirmed, returns payment error
- Invalid capacity_tier value — must be exactly 'starter' or 'builder', returns validation error
- On-chain transaction failure — blockchain congestion or contract error, tx_hash not returned
- Duplicate account creation — attempting to register an already-active account may return a conflict error
- Network timeout — blockchain confirmation takes too long, status may be pending rather than confirmed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | object | |
| output | object |
Output
Schema · Response
{
"rail": "x402",
"tier": "starter",
"ar_id": "AR-2026-XXXXXXX",
"status": "confirmed",
"tx_hash": "0x1234567890abcdef...",
"capacity": 50,
"anchor_key": "a3f8c2e1...",
"verify_url": "https://anchorregistry.ai/AR-2026-XXXXXXX",
"block_number": 12345678
}Tags
x402
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