payment-ready until 2026-08-20
Radio-frequency positioning DePIN for AI agents: pay-per-call location APIs (estimate a position from cellular observations) plus receiver-node registration and status. USDC on Solana and Base, x402 v2, with machine-readable discovery at /.well-known/x402 and a catalog at /api/x402/catalog.
Pay from $0.001 to $0.005 per request in USDC on Base / Solana, settled onchain via the x402 protocol, no signup, no API key needed.
first settlement 2026-07-27 · $0 all-time · settled via payAI
ASSESSMENT
updated 8m agoEvidence-backed signals, not a single score. Click any chip for the proof. Measured values stay read-only; unknown is honest.
reliability 99.1%
- uptime 24h
- 100%
- uptime 7d
- 100%
- uptime 30d
- 99.1%
- uptime 90d
- 99.1%
- response p95
- 790ms
- avg response
- 584ms
- total checks
- 1,709
Measured on the unpaid 402 handshake, not the paid call. A service can 402 correctly and still fail after payment.
compliance A (14/14)
14 of 14 x402 conformance checks pass. Full checklist below.
price $0.001 to $0.005 (p9 in Data)
- price (min)
- $0.001
- price (max)
- $0.005
- category percentile (min)
- p9 in Data
- category percentile (max)
- p13 in Data
- endpoints / prices
- 2 / 2
- model
- tiered
- stability
- 100%
risk clean
No deterministic risk flag. Risk fires only on an exact blocklist match, or a reserved-brand name with a mismatched verified payTo. Never from low uptime, a high price, or a model guess.
- domain age
- -
- registrar
- -
- hosting
- custom
- domain created
- ---
Identity facts, not a risk score.
traction $0.004 30d · 3 buyers
- volume 30d
- $0.004
- buyers 30d
- 3
- settlements 30d
- 4
- first settlement
- 2026-07-27
- last settlement
- 2026-08-11
- top buyer share
- 50% of 30d volume
- trend 7d vs 30d
- 3.21x the 30d daily rate
- networks
- eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpKuc147dw2N9d
- volume all-time
- $0
- settlements all-time
- 4
- median settlement 30d
- $0.001
- max settlement 30d
- $0.001
- settled via
- payAI ($0.004, 4 tx)
Conservative undercount: only USDC settlements via facilitators we measure are counted. A measured floor, not an estimate.
Top buyer share is a concentration signal, not part of the ranking score.
WHAT IT DOES
ai-derivedNo AI synthesis has been produced for this service yet.
ENDPOINTS
| METHOD | PATH | DESCRIPTION | PRICE | NETWORK | ASSET | 402 CHANNEL |
|---|---|---|---|---|---|---|
| GET | /api/x402/nodes | $0.001 | Base/Solana | USDC | header | |
| POST | /api/x402/position/query | $0.005 | Base/Solana | USDC | header |
REQUEST / RESPONSE EXAMPLE
An unpaid request to GET /api/x402/nodes returns HTTP 402 with the payment terms. Settle onchain via your facilitator, then retry with the X-Payment header.
curl -i 'https://azimuth.day/api/x402/nodes'
// 402 response (captured by monitor) · 2 payloads · click to expand
[
{
"error": "Payment required",
"accepts": [
{
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"name": "USDC",
"decimals": 6,
"feePayer": "2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4"
},
"payTo": "A7ZKpNxB7ycP733ygovCxNCz5gX7pXcghWPFkcbqvPx2",
"amount": "5000",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"maxTimeoutSeconds": 300
},
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2",
"decimals": 6
},
"payTo": "0x82D85F69971DFcA3bB58218228a722CEE72Db379",
"amount": "5000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://azimuth.day/api/x402/position/query",
"mimeType": "application/json",
"description": "Radio-frequency positioning query: estimate a location from cellular observations."
},
"x402Version": 2
},
{
"error": "Payment required",
"accepts": [
{
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"name": "USDC",
"decimals": 6,
"feePayer": "2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4"
},
"payTo": "A7ZKpNxB7ycP733ygovCxNCz5gX7pXcghWPFkcbqvPx2",
"amount": "1000",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"maxTimeoutSeconds": 300
},
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2",
"decimals": 6
},
"payTo": "0x82D85F69971DFcA3bB58218228a722CEE72Db379",
"amount": "1000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://azimuth.day/api/x402/nodes",
"mimeType": "application/json",
"description": "List the paying account’s receiver nodes with status and points."
},
"x402Version": 2
}
] OVER TIME
All charts use the 30d selector; each series spans only the dates it has data for. Every series is also served as JSON at /api/v1/services/azimuth/price, /scores, /volume and /buyers. On-chain volume and distinct buyers are measured over the service's settlement address and are a conservative undercount (only settlements that reach a measured facilitator are counted). The on-chain series roll up hourly, so the latest day can be up to about an hour behind; distinct buyers are counted per payout address, so a service that settles to more than one address is an upper bound.
Median across 2 endpoints. Use the selector to isolate one.
checklist grew 11->14 on 2026-07-28; a step here is a metric change, not a regression
Measured site and economics pillars from the assessment history, so the latest value shown elsewhere on this page reads as a point on a trend rather than a permanent state.
COMPLIANCE
14/14 checks pass · grade Alast 402 captured 2026-07-25 · last up 2026-08-13
- 402 payload captured
- accepts[] array present
- payTo address recoverable
- payTo at accepts[0].payTo (conformant shape)
- payTo is a valid on-chain address
- atomic price declared
- atomic price in a sane range
- asset (token) address declared
- network resolves to CAIP-2
- payment scheme declared
- served over HTTPS
- declares the current x402 version (2)
- EIP-712 domain parameters present on every EVM entry
- x402 v2 envelope delivered in the payment-required header
SITE PILLARS
- homepage reachable
- openapi doc
- pricing page
- llms.txt
- robots.txt
- terms page
recent checks (18) live · click to expand
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