Developers

Machine-readable by design.

Every human page derives from the same canonical source as its JSON endpoint. No duplicate manual facts.

Live MARCO Holders· LOADING
…
On-chain wallets · BNB Smart Chain

Millions already hold MARCO. The next era is what those wallets can become.

Passports issued
—
Public Passports
—
Technical documentation · Developers · integrators · auditors

Interfaces, runtime behaviour and schemas.

MARCO Paper
  • SDK
  • APIs
  • Passport runtime
  • Pay runtime
  • Settlement
  • Bridge architecture
  • Chain contracts and programs
  • Security model
  • Deployment
  • Event schemas
MARCO Passport Network

Developer products.

MARCO Holder PulseACTIVE
MARCO ConnectNEXT
MARCO Passport BadgePLANNED
MARCO BenefitsPLANNED
MARCO VerifyCONCEPT
MARCO CheckoutRESEARCH

MARCO Holder Pulse — embeddable widget.

Custom element. Shadow DOM isolation. No cookies, no wallet access, no third-party scripts. Renders live, stale, or unavailable states honestly.

/widgets/marco-holder-pulse.v1.js
Variants · compact · badge · card
Themes · dark · light · auto
<script src="https://marco.melega.ai/widgets/marco-holder-pulse.v1.js" defer></script>
<marco-holder-pulse variant="card" theme="dark" show-passports="true"></marco-holder-pulse>

Full attributes and privacy notes · /api/public/marco/metrics/provenance

Public endpoints.

/api/public/marco/metrics
Canonical MARCO metrics (holders + Passport aggregates + deltas).
/api/public/marco/holders
Live MARCO on-chain holder count.
/api/public/marco/passport-metrics
Passport Core aggregates (issued / public / private).
/api/public/marco/metrics/version
Metrics schema + data version.
/api/public/marco/metrics/provenance
Metrics authority, freshness, environment hints.
/api/public/marco/roadmap
Public MARCO Epoch roadmap.
/api/public/marco/roadmap/version
Roadmap schema + data version.
/api/public/marco/roadmap/provenance
Roadmap gating rules.
/api/public/marco/tokenomics
MARCO Tokenomics 2.0 direction registry.
/api/public/marco/tokenomics/version
Tokenomics version.
/api/public/marco/tokenomics/provenance
Tokenomics authority + disclosure policy.
/api/public/features
Canonical feature registry.
/api/public/token
Canonical token information registry.
/api/public/utility
Canonical utility registry.
/api/public/handbook
Handbook chapters, pillars, roadmap and ecosystem.
/api/public/capabilities
Portal capability summary.
/api/public/version
Portal version + build metadata.
/api/public/provenance
Data source provenance & authority boundaries.
/api/public/status
Portal + registry runtime status.
/api/public/health
Liveness/readiness probe.
/openapi.json
OpenAPI description of the public endpoints.
/.well-known/agent-card.json
Agent-card discovery document.
/sitemap.xml
Sitemap.
/robots.txt
Robots policy.