# AuthiChain
> The authentic agentic economy. Signed seals, MCP verify, x402 pay-per-call.

## Agent pay (x402)
- Unpaid POST https://authichain.com/api/x402 returns HTTP 402 ($0.05 USDC on Base)
- An empty JSON body is the unpaid HTTP 402. A non-UUID sealId is HTTP 400 before payment.
- Canonical paid verify: POST https://authichain.com/api/v1/agent-verify
- Read https://authichain.com/api/x402/health first. paidVerify.bound false means HTTP 503 before settlement and no payment is taken.
- Catalog: https://authichain.com/api/x402/catalog
- Listing pack: https://authichain.com/api/x402/listing
- Growth registry: https://authichain.com/api/x402/growth
- Well-known catalog: https://authichain.com/.well-known/x402.json
- x402scan fan-out: https://authichain.com/.well-known/x402
- OpenAPI: https://authichain.com/openapi.json
- MCP: GET https://authichain.com/mcp (get_pricing free; tools/call verify is unpaid HTTP 402)
- Docs: https://authichain.com/x402
- Documentation: https://authichain.com/docs/gs1-digital-link
- Verification: https://authichain.com/docs/verification
- DPP architecture: https://authichain.com/docs/dpp-architecture
- Examples: https://authichain.com/docs/examples

## Protocol (this host verifies)
- Issuer: https://authichain.com/protocol/issuer.json
- JWKS: https://authichain.com/protocol/jwks.json
- Well-known JWKS: https://authichain.com/.well-known/jwks.json
- Decision v1 verify: POST https://authichain.com/api/v1/attestation/verify
- Living QR scan: GET https://authichain.com/qron/r/{object_id}
- This host verifies the signature. A missing id is HTTP 404 presentation_not_found.
- Published demonstration record, not a customer product: GET https://authichain.com/api/verify?id=polygon-anchor-1
- Record JSON: https://authichain.com/protocol/examples/polygon-anchor-1.record.json
- Anchor JSON: https://authichain.com/protocol/examples/polygon-anchor-1.anchor.json

## Free tools
- EU DPP readiness check (score, gaps, dated obligation): https://authichain.com/dpp-check
- Same check for agents: MCP tools/call dpp_readiness_check on https://authichain.com/mcp
- Battery passport gap map (e-bike / LMT example; passport required from 18 February 2027 under Regulation (EU) 2023/1542): https://authichain.com/battery-passport
- Fictional e-bike battery walkthrough (not a document the $299 checkout sends): https://authichain.com/battery-passport/sample-audit

## Human checkout (Stripe Payment Links)
- Starter Pack $29: https://authichain.com/checkout/starter
- QRON Launch $19/mo: https://authichain.com/checkout/qron_launch
- QRON Launch Annual $190/yr: https://authichain.com/checkout/qron_launch_annual
- Creator Pack $99: https://authichain.com/checkout/creator
- Theater 1: AgTech $499/month: https://authichain.com/checkout/theater_1
- Theater 3: Elite $1499/month: https://authichain.com/checkout/theater_3
- EU DPP Workspace $299: https://authichain.com/checkout/dpp_readiness
- Passport — Per Cultivar $49: https://authichain.com/checkout/strainchain_passport
- Farm Plan $149/month: https://authichain.com/checkout/strainchain_farm
- Made in USA Claim File $299 per SKU: https://authichain.com/checkout/musa_claim_file
- Made in USA Claim File — Audit Bundle $2500 per engagement: https://authichain.com/checkout/musa_audit_bundle
- EU Battery Passport written gap report $950 first model: https://authichain.com/checkout/battery_gap_report
- EU Battery Passport gap report — extra model $350 per extra model: https://authichain.com/checkout/battery_gap_report_extra
- Federal provenance pilot (60 days) $7500 fixed: https://authichain.com/checkout/gov_provenance_pilot
- Generate (redirects to Starter): https://authichain.com/generate
- Pricing: https://authichain.com/pricing

## Positioning
- https://authichain.com/authentic-agentic-economy