IDRX website screenshot

IDRX

IDRX is a stablecoin pegged 1:1 to the Indonesian Rupiah (IDR), issued by a regulated Indonesian entity and available across multiple EVM chains and Solana. Its REST API lets business (organization) accounts onboard KYC-verified users, register bank accounts, and process mint (fiat IDR -> IDRX / USDT on-chain), redeem (IDRX -> fiat IDR to a bank account), and bridge (cross-chain) transactions, plus query swap rates, fees, supported bank methods, and transaction history. Requests are authenticated with an API key and an HMAC-SHA256 request signature, and settlement is confirmed via single-delivery webhooks or transaction-history polling. IDRX is a portfolio company of a16z (crypto).

IDRX publishes 2 APIs on the APIs.io network: Onboarding API and Transaction API. Tagged areas include Stablecoin, Cryptocurrency, Payments, Blockchain, and Fintech.

The IDRX catalog on APIs.io includes 1 event-driven AsyncAPI specification.

IDRX’s developer surface includes documentation, API reference, getting-started guide, signup flow, pricing, support, authentication, and 14 more developer resources.

🌐 Visit website 📡 Source on GitHub
42.2/100 developing ▬ flat Agent 44/100 agent ready Full breakdown ↓
scored 2026-08-10 · rubric v0.9.1
AccessSelf serve
2 APIs 1 MCP Servers
StablecoinCryptocurrencyPaymentsBlockchainFintechIndonesiaRupiahWeb3On-RampDigital Currency

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-10 · rubric v0.9.1
Composite quality — 42.2/100 · developing
Contract Quality 18.7 / 25
Developer Ergonomics 10.8 / 20
Commercial Clarity 4.7 / 20
Operational Transparency 1.7 / 13
Governance 1.4 / 12
Discoverability 7.6 / 10
Agent readiness — 44/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 7 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 6 / 6
Agent Skills 5 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/idrx: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 2

Individual APIs this provider publishes, each with its own machine-readable definition.

IDRX Onboarding API

Onboard users and manage their bank accounts.

IDRX Transaction API

Mint, redeem, and bridge IDRX, and query rates/fees/history.

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

idrx-mcp.yml

MCP SERVER

Event Specifications 1

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Idrx Callback Webhooks

ASYNCAPI

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Idrx Authentication

apiKey · 1 scheme

SECURITY

Idrx Domain Security

TLSv1.3

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Idrx Agentic Access

13 operations · 7 acting

13 operations · 7 acting

AGENTIC

Resources

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 GettingStarted
GettingStarted
 SignUp
SignUp

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

MCPServer
MCPServer
 AgentSkill
AgentSkill
 AgenticAccess
AgenticAccess
 LLMsTxt
LLMsTxt

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Conventions
Conventions
 ErrorCatalog
ErrorCatalog
 DataModel
DataModel
 Conformance
Conformance
 Lifecycle
Lifecycle
 Webhooks
Webhooks

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

Authentication
Authentication
 DomainSecurity
DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support
Support

Commercial 1

Pricing, plans, and the legal terms of use

Pricing
Pricing

Other 1

Properties that don't map to a standard resource type

Whitepaper
Whitepaper

Source (apis.yml)

apis.yml Raw ↑ 
aid: idrx
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/idrx.png
name: IDRX
description: IDRX is a stablecoin pegged 1:1 to the Indonesian Rupiah (IDR), issued by a regulated Indonesian entity and available
  across multiple EVM chains and Solana. Its REST API lets business (organization) accounts onboard KYC-verified users, register
  bank accounts, and process mint (fiat IDR -> IDRX / USDT on-chain), redeem (IDRX -> fiat IDR to a bank account), and bridge
  (cross-chain) transactions, plus query swap rates, fees, supported bank methods, and transaction history. Requests are authenticated
  with an API key and an HMAC-SHA256 request signature, and settlement is confirmed via single-delivery webhooks or transaction-history
  polling. IDRX is a portfolio company of a16z (crypto).
url: https://raw.githubusercontent.com/api-evangelist/idrx/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- a16z
x-tier: profile
x-tier-reason: enriched
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Stablecoin
- Cryptocurrency
- Payments
- Blockchain
- Fintech
- Indonesia
- Rupiah
- Web3
- On-Ramp
- Digital Currency
apis:
- aid: idrx:idrx-onboarding-api
  name: IDRX Onboarding API
  description: Onboard users and manage their bank accounts.
  humanURL: https://docs.idrx.co/api/getting-started
  baseURL: https://idrx.co/api
  tags:
  - Onboarding
  properties:
  - type: OpenAPI
    url: openapi/idrx-onboarding-api-openapi.yml
- aid: idrx:idrx-transaction-api
  name: IDRX Transaction API
  description: Mint, redeem, and bridge IDRX, and query rates/fees/history.
  humanURL: https://docs.idrx.co/api/getting-started
  baseURL: https://idrx.co/api
  tags:
  - Transaction
  properties:
  - type: OpenAPI
    url: openapi/idrx-transaction-api-openapi.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DeveloperPortal
  url: https://docs.idrx.co
- type: Documentation
  url: https://docs.idrx.co
- type: APIReference
  url: https://docs.idrx.co/api/getting-started
- type: GettingStarted
  url: https://docs.idrx.co/api/getting-started
- type: SignUp
  url: https://app.idrx.co
- type: Pricing
  url: https://docs.idrx.co/services/fees
- type: Support
  url: mailto:support@idrx.co
- type: GitHubOrganization
  url: https://github.com/idrx-co
- type: Whitepaper
  url: https://docs.idrx.co/introduction/idrx-whitepaper
- type: Authentication
  url: authentication/idrx-authentication.yml
- type: Conventions
  url: conventions/idrx-conventions.yml
- type: ErrorCatalog
  url: errors/idrx-problem-types.yml
- type: DataModel
  url: data-model/idrx-data-model.yml
- type: Conformance
  url: conformance/idrx-conformance.yml
- type: Lifecycle
  url: lifecycle/idrx-lifecycle.yml
- type: Webhooks
  url: asyncapi/idrx-callback-webhooks.yml
- type: MCPServer
  url: mcp/idrx-mcp.yml
- type: AgentSkill
  url: skills/_index.yml
- type: AgenticAccess
  url: agentic-access/idrx-agentic-access.yml
- type: DomainSecurity
  url: security/idrx-domain-security.yml
- type: LLMsTxt
  url: llms/idrx-llms.txt
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence