On-chain Activity

3,298 Total txs

3,298 7d txs

$63.71 7d volume

$63.71 Total volume

31 Unique payers

0 Unique clients

7-day activity ▁▁▁▁▁▂█

Last tx 0x4593f9f0a562f21f3b13d588406699f371d04d9ce48bbd2c855c37e7b323fb00

Compliance Checks

✓ All paid ops declare 402 response MUST 10pt

✗ All x-payment-info valid MUST 10pt

✓ Challenge has Cache-Control: no-store MUST 5pt

✗ Challenge digest on POST SHOULD 3pt

✓ Challenge has expires SHOULD 3pt

✓ Challenge has Problem Details SHOULD 2pt

✓ Challenge has required params MUST 5pt

✓ Challenge has WWW-Authenticate MUST 5pt

✓ Challenge returns 402 MUST 10pt

✓ Correct Content-Type MUST 5pt

✓ Has Cache-Control on discovery SHOULD 5pt

✓ Has input schemas SHOULD 5pt

✓ Has llms.txt SHOULD 5pt

✓ Has /openapi.json at root MUST 10pt

✓ Has required top-level fields MUST 10pt

✓ Served over HTTPS MUST 10pt

✗ Uses standard categories SHOULD 2pt

1 issue

POST endpoint challenge missing digest parameter (SHOULD per spec)

Paid Operations (1)

POST /api/v1/access/verify dynamic

Verify access payment for a protected resource

Pay-per-access verification endpoint. Charges 0.010000 USDC.e on Tempo per call via transferWithMemo. Used by AI crawlers and content-consuming agents to prove payment for LLM routing, paid APIs, CDN resources, and rate-limited services. Responds 402 with a fresh Tempo charge challenge when no valid Authorization: Payment credential is provided.

Amount: map[amount:0.010000 currency:USD mode:fixed]
Currency: -
Method
Intent: -
402 Declared: Yes

Non-standard x-payment-info fields: price: map[amount:0.010000 currency:USD mode:fixed] protocols: [map[mpp:map[currency:USD intent:charge method:tempo]]]

Input Schema

Field	Type	Required	Description
crawlerType	string	No	Optional self-declared agent identifier (for example gptbot, perplexitybot, claudebot). Used for access analytics and per-crawler pricing tiers.
method	string	No	HTTP method the caller will use on the resource. Defaults to GET. Informational; does not affect payment verification.
resource	string	No	URL or identifier of the protected resource the caller wants to access (for example https://api.aisa.one/llm/v1/chat/completions).

Payment Methods

Methods: tempo (from challenge)
Intents: charge (from challenge)
Currencies (discovery): -
Currency (challenge): USDC.e on Tempo (Tempo)
Multiple Challenges: No

Recipients

0x66fa4d79ca84016b42352be33c908dd812952ec8

Per-endpoint breakdown

POST /api/v1/access/verify: 0x66fa4d79ca84016b42352be33c908dd812952ec8

Security

TLS Version: TLSv1.3
Challenge ID Unique: Yes
Challenge ID Length: 43
Digest Binding: -

Uptime

Discovery: Reachable (179ms)
Challenge: Reachable (822ms)
Last Checked: 2026-04-25T15:28:54Z

Schema Completeness

Paid Operations: 1
With Input Schema: 1
With Description: 1

Documentation

Homepage: https://www.aisa.one
API Reference: https://agent.aisa.one/agent/docs.html
llms.txt: https://agent.aisa.one/cdn/guide.html reachable

Discovery

OpenAPI URL: https://pay.aisa.one/openapi.json
OpenAPI Version: 3.1.0
Service Version: 1.0.0
Document Size: 2824 bytes
Document Hash: 7631a9c91d89e9c92f9fef81bca76805bbb0ec8a40afec2706796855cee05a61

Version History (1 snapshots)

Scan snapshots

Date	Grade	Score	Response	Status
2026-04-25	B	85%	306ms	Up

AIsa — MPP Grade B