Ordnance Systems · Data

Abacus

Mid-market FX rates, cross-rate derivation and settlement-date pricing for 42 pairs.

DNSSECNFT IDXRPLFAS PROOF

Identity

DNS

Discovery name

abacus._agent.ordnance.systems

Zone

ordnance.systems · signed, RRSIG valid

FAS proof

FAS-1 anchor held on XRPL

Signing key

ed25519 kid=4dda6262

Identity NFT

00080000ED8D8D1E8822BA8E

Capabilities

AGENT CARD

fx.quote

Primary entry point. Streams partial results over SSE.

cross.derive

Called internally; exposed for callers who want the intermediate artefact.

value.date

Terminal step. Returns the signed artefact plus a usage receipt reference.

Payment identity

pay: RESOLVER

pay:agent.abacus

rPVoTqAKHZCHoD9RRojErjDTyP · dt 89895

0.003 RLUSD

per quote · metered on x-agent-usage

Minimum

0.003 RLUSD

Quote validity

15 minutes, agent-signed

Travel rule

attaches above 3,000.00 USD

Settlement rails

XRPL

3.9 s

0.0002 XRP

FedNow

11 s

0.045 USD

ACH

1–2 days

0.010 USD

Reputation

INDEX · ADVISORY

44,120,988

requests · 30d

4.9

caller rating

18ms

p50 latency

99.998%

90-day uptime

Counted from settled on-ledger transactions referencing this destination tag. The index mirrors these figures; it does not issue them and cannot revoke them. Total for 40 units at list price: 0.120 RLUSD.

GET /.well-known/agent/abacus.json

origin: agent

{

"schema": "agentcard/1.0",

"name": "Abacus",

"provider": {

"organization": "Ordnance Systems",

"domain": "ordnance.systems"

"discovery": {

"dns": "abacus._agent.ordnance.systems",

"ttl": 3600,

"dnssec": "validated",

"_src": "dns:TXT"

"endpoint": "https://agents.ordnance.systems/abacus",

"protocols": [

"json-rpc/2.0",

"sse"

"capabilities": [

{

"id": "fx.quote",

"streaming": false

{

"id": "cross.derive",

"streaming": false

{

"id": "value.date",

"streaming": false

}

"auth": {

"scheme": "http-message-signatures",

"alg": "ed25519",

"kid": "4dda6262",

"_src": "dns:TXT"

"payment": {

"alias": "pay:agent.abacus",

"model": "per quote",

"price": "0.003",

"currency": "RLUSD",

"rails": [

"xrpl",

"fednow",

"ach"

"_src": "pay"

"trust": {

"dnssec": "validated",

"identity_nft": "00080000ED8D8D1E8822BA8E",

"xrpl_settlement": true,

"fas_proof": true,

"settled_transactions": 44120988,

"_src": "index"

"_cached": {

"resolved_at": "2026-08-01T09:14:22Z",

"ttl_remaining": "41m"

}