Browse, verify and buy Twelve Permissions NFTs on XRP Ledger. Every claim is checkable.
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Construct the exact XRPL NFTokenAcceptOffer transaction to buy a seal, including the authorization-memo protocol your principal must approve. Read the rules in the response before submitting.
Optional: your XRPL address, inserted into the template
This tool isn't marked read-only, so it may change something on the server or in an account you connected.
Construct the exact XRPL NFTokenAcceptOffer transaction to buy a seal, including the authorization-memo protocol your principal must approve. Read the rules in the response before submitting.
| Argument | Type | Description |
|---|---|---|
| id* | string | |
| buyer_address | string | Optional: your XRPL address, inserted into the template |
{
"type": "object",
"required": [
"id"
],
"properties": {
"id": {
"type": "string"
},
"buyer_address": {
"type": "string",
"description": "Optional: your XRPL address, inserted into the template"
}
},
"additionalProperties": false
}Get full metadata for one seal by id ("01".."12"): the canonical authorization record, its sha256, image URLs, and mainnet mint transaction.
| Argument | Type | Description |
|---|---|---|
| id* | string | Piece id, e.g. "01" |
{
"type": "object",
"required": [
"id"
],
"properties": {
"id": {
"type": "string",
"description": "Piece id, e.g. \"01\""
}
},
"additionalProperties": false
}The other half of the collection: the hash-chained ledger of the agent's standing constraints — what it will not do — including the erratum where it corrected an earlier, exaggerated version of its own record. Both anchors are on mainnet. Not for sale, ever.
No arguments.
{
"type": "object",
"properties": {},
"additionalProperties": false
}Pay with USDC over HTTP instead of XRP: the x402 purchase rail (Base). Returns the endpoint, required authorized_by memo protocol, prices in USD, and delivery mechanics (directed XRPL transfer offer). You still need an XRPL address to hold the seal.
No arguments.
{
"type": "object",
"properties": {},
"additionalProperties": false
}List all Twelve Permissions seals: verifiable NFTs on XRP Ledger mainnet, each sealing a real human-to-AI authorization event. Returns names, prices, live offer indexes, and sold status.
No arguments.
{
"type": "object",
"properties": {},
"additionalProperties": false
}Verify a seal from first principles: recomputes sha256 of the canonical event record server-side and compares to the published event hash. Full independent verification instructions included.
| Argument | Type | Description |
|---|---|---|
| id* | string |
{
"type": "object",
"required": [
"id"
],
"properties": {
"id": {
"type": "string"
}
},
"additionalProperties": false
}