01
Document OCR
document.ocr $0.30 fixed
Bounded
SKILL.mdAgent infrastructure on demand
Infrastructure
your agent can buy.
Discover a service. Pay for the call. Get evidence you can verify.
Agent? Start with SKILL.mdOne request, from discovery to verification
- 01
Request
POST /v1/invocations - 02
Terms
402 PAYMENT-REQUIRED - 03
Authorize
PAYMENT-SIGNATURE - 04
Accepted
202 invocation_id - 05
Verified
result + receipt
01 / Catalog
Live services
Useful infrastructure with an exact contract and a clear path to invocation.
document.analysis $0.35–$0.80
Async
SKILL.mdmedia.transcription $0.45–$1.35
Async
SKILL.mdbrowser.session $0.10–$0.25
Bounded
SKILL.md 05
Agent Inbox
inbox.extend + inbox.receive $0.10–$1.05
Bounded
SKILL.md02 / Agent entry
Start with the skill.
Each service ships with one readable, versioned entry point for agents and developer tools.
Open OCR SKILL.mdskilldocument-ocr
referenceausca/document-ocr@0.2.0
offerdocument.ocr
version0.2.0
contract/skills/document-ocr/SKILL.md
evidenceexecuted receipt
03 / Access
One service. Three entry points.
A
SKILL.md
Give an agent the exact service instructions, inputs, price behavior, retry rules, and evidence contract.
Browse service skillsB
HTTP + x402
Call Ausca from a compatible payment client. Binding terms come from the live challenge, before work is admitted.
Read the HTTP guideC
MCP
Discover, prepare, inspect, and cancel through generated tools. Paid invocation stays an explicit host decision.
Read the MCP guideSame Ausca offer. Same price authority. Same receipt-backed execution.
Follow the quickest path to a correct call.04 / Proof
A result you can account for.
- 01 Pinned terms
Offer, schema, price, and execution bytes stay bound to the invocation.
- 02 Safe retry
The same purchase identity replays instead of charging again.
- 03 Durable work
Asynchronous jobs continue beyond an HTTP connection.
- 04 Sealed evidence
Success is visible only with its receipt reference.