Circle · Agentic Access

Circle Agentic Access

x-agentic-access generated

Circle exposes 30 API operations that an AI agent could call, of which 18 are state-changing ‘acting’ operations. This is a recommended x-agentic-access execution contract — the scope, audience, consequence tier, short-lived token constraints, and escalation each action should carry before it is handed to an autonomous agent.

By consequence: 12 read, 13 write, 2 physical, and 3 safety-critical.

3 operations are classed safety-critical and should require human-in-the-loop approval at runtime.

Contracts are classified heuristically from the provider’s OpenAPI and refresh on every APIs.io network build; audience is bound per deployment. The model follows Curity’s Access Intelligence (apidays Munich 2026). Browse every provider’s agent contracts at agentic-access.apis.io.

BlockchainComplianceCross-ChainCurrencyMoneyPaymentsStablecoinTransfersUSDCWallets

Operations: 30 Acting: 18 Human-in-the-loop: 3 Method: generated

By consequence

read 12 write 13 physical 2 safety-critical 3

Highest-consequence actions

The physical and safety-critical operations an agent could invoke — the ones that most warrant scoped tokens, tight TTLs, and escalation. Full per-operation contracts are in the source below.

Method	Path	Consequence	Human-in-loop
POST	/v1/w3s/developer/walletSets	safety-critical	required
PUT	/v1/w3s/developer/walletSets/{id}	safety-critical	required
POST	/v1/w3s/developer/wallets	safety-critical	required
POST	/v1/w3s/developer/transactions/transfer	physical	conditional
POST	/v1/w3s/transactions/transfer/estimateFee	physical	conditional

Source

Agentic Access

generated: '2026-07-15'
method: generated
source: openapi/circle-openapi.yml
description: Recommended x-agentic-access execution contracts, classified heuristically from
  the OpenAPI. A governance starting point for exposing this API to AI agents — review and bind
  audience per deployment. See research/curity/agentic-governance/.
summary:
  operations: 30
  by_action_class:
    connected: 12
    acting: 18
  by_consequence:
    read: 12
    safety-critical: 3
    write: 13
    physical: 2
  human_in_the_loop_required: 3
operations:
- path: /v1/w3s/walletSets
  method: get
  operationId: listWalletSets
  x-agentic-access:
    action-class: connected
    consequence: read
    subject: optional
    token:
      max-ttl: 3600
    audit: none
- path: /v1/w3s/walletSets/{id}
  method: get
  operationId: getWalletSet
  x-agentic-access:
    action-class: connected
    consequence: read
    subject: optional
    token:
      max-ttl: 3600
    audit: none
- path: /v1/w3s/developer/walletSets
  method: post
  operationId: createWalletSet
  x-agentic-access:
    action-class: acting
    consequence: safety-critical
    subject: required
    audience: null
    token:
      max-ttl: 120
      exchange: true
      purpose-required: true
      proof-of-possession: true
    escalation:
      human-in-the-loop: required
    audit: required
- path: /v1/w3s/developer/walletSets/{id}
  method: put
  operationId: updateWalletSet
  x-agentic-access:
    action-class: acting
    consequence: safety-critical
    subject: required
    audience: null
    token:
      max-ttl: 120
      exchange: true
      purpose-required: true
      proof-of-possession: true
    escalation:
      human-in-the-loop: required
    audit: required
- path: /v1/w3s/developer/wallets
  method: post
  operationId: createWallets
  x-agentic-access:
    action-class: acting
    consequence: safety-critical
    subject: required
    audience: null
    token:
      max-ttl: 120
      exchange: true
      purpose-required: true
      proof-of-possession: true
    escalation:
      human-in-the-loop: required
    audit: required
- path: /v1/w3s/wallets
  method: get
  operationId: listWallets
  x-agentic-access:
    action-class: connected
    consequence: read
    subject: optional
    token:
      max-ttl: 3600
    audit: none
- path: /v1/w3s/wallets/{id}
  method: get
  operationId: getWallet
  x-agentic-access:
    action-class: connected
    consequence: read
    subject: optional
    token:
      max-ttl: 3600
    audit: none
- path: /v1/w3s/wallets/{id}
  method: put
  operationId: updateWallet
  x-agentic-access:
    action-class: acting
    consequence: write
    subject: required
    audience: null
    token:
      max-ttl: 900
    escalation:
      human-in-the-loop: conditional
      triggers:
      - abnormal
      - high-value
    audit: required
- path: /v1/w3s/developer/wallets/balances
  method: get
  operationId: listDeveloperWalletBalances
  x-agentic-access:
    action-class: connected
    consequence: read
    subject: optional
    token:
      max-ttl: 3600
    audit: none
- path: /v1/w3s/developer/wallets/derive
  method: put
  operationId: deriveWallet
  x-agentic-access:
    action-class: acting
    consequence: write
    subject: required
    audience: null
    token:
      max-ttl: 900
    escalation:
      human-in-the-loop: conditional
      triggers:
      - abnormal
      - high-value
    audit: required
- path: /v1/w3s/wallets/{id}/balances
  method: get
  operationId: getWalletBalances
  x-agentic-access:
    action-class: connected
    consequence: read
    subject: optional
    token:
      max-ttl: 3600
    audit: none
- path: /v1/w3s/wallets/{id}/nfts
  method: get
  operationId: getWalletNfts
  x-agentic-access:
    action-class: connected
    consequence: read
    subject: optional
    token:
      max-ttl: 3600
    audit: none
- path: /v1/w3s/developer/wallets/{id}/blockchains/{blockchain}
  method: put
  operationId: enableWalletBlockchain
  x-agentic-access:
    action-class: acting
    consequence: write
    subject: required
    audience: null
    token:
      max-ttl: 900
    escalation:
      human-in-the-loop: conditional
      triggers:
      - abnormal
      - high-value
    audit: required
- path: /v1/w3s/developer/sign/message
  method: post
  operationId: signMessage
  x-agentic-access:
    action-class: acting
    consequence: write
    subject: required
    audience: null
    token:
      max-ttl: 900
    escalation:
      human-in-the-loop: conditional
      triggers:
      - abnormal
      - high-value
    audit: required
- path: /v1/w3s/developer/sign/typedData
  method: post
  operationId: signTypedData
  x-agentic-access:
    action-class: acting
    consequence: write
    subject: required
    audience: null
    token:
      max-ttl: 900
    escalation:
      human-in-the-loop: conditional
      triggers:
      - abnormal
      - high-value
    audit: required
- path: /v1/w3s/developer/sign/transaction
  method: post
  operationId: signTransaction
  x-agentic-access:
    action-class: acting
    consequence: write
    subject: required
    audience: null
    token:
      max-ttl: 900
    escalation:
      human-in-the-loop: conditional
      triggers:
      - abnormal
      - high-value
    audit: required
- path: /v1/w3s/developer/sign/delegateAction
  method: post
  operationId: signDelegateAction
  x-agentic-access:
    action-class: acting
    consequence: write
    subject: required
    audience: null
    token:
      max-ttl: 900
    escalation:
      human-in-the-loop: conditional
      triggers:
      - abnormal
      - high-value
    audit: required
- path: /v1/w3s/transactions
  method: get
  operationId: listTransactions
  x-agentic-access:
    action-class: connected
    consequence: read
    subject: optional
    token:
      max-ttl: 3600
    audit: none
- path: /v1/w3s/transactions/{id}
  method: get
  operationId: getTransaction
  x-agentic-access:
    action-class: connected
    consequence: read
    subject: optional
    token:
      max-ttl: 3600
    audit: none
- path: /v1/w3s/transactions/lowestNonceTransaction
  method: get
  operationId: getLowestNonceTransaction
  x-agentic-access:
    action-class: connected
    consequence: read
    subject: optional
    token:
      max-ttl: 3600
    audit: none
- path: /v1/w3s/developer/transactions/feeParameters
  method: get
  operationId: getFeeParameters
  x-agentic-access:
    action-class: connected
    consequence: read
    subject: optional
    token:
      max-ttl: 3600
    audit: none
- path: /v1/w3s/developer/transactions/transfer
  method: post
  operationId: createTransferTransaction
  x-agentic-access:
    action-class: acting
    consequence: physical
    subject: required
    audience: null
    token:
      max-ttl: 300
      exchange: true
      purpose-required: true
    escalation:
      human-in-the-loop: conditional
      triggers:
      - abnormal
      - high-value
    audit: required
- path: /v1/w3s/transactions/transfer/estimateFee
  method: post
  operationId: estimateTransferFee
  x-agentic-access:
    action-class: acting
    consequence: physical
    subject: required
    audience: null
    token:
      max-ttl: 300
      exchange: true
      purpose-required: true
    escalation:
      human-in-the-loop: conditional
      triggers:
      - abnormal
      - high-value
    audit: required
- path: /v1/w3s/transactions/contractExecution/estimateFee
  method: post
  operationId: estimateContractExecutionFee
  x-agentic-access:
    action-class: acting
    consequence: write
    subject: required
    audience: null
    token:
      max-ttl: 900
    escalation:
      human-in-the-loop: conditional
      triggers:
      - abnormal
      - high-value
    audit: required
- path: /v1/w3s/transactions/validateAddress
  method: post
  operationId: validateAddress
  x-agentic-access:
    action-class: acting
    consequence: write
    subject: required
    audience: null
    token:
      max-ttl: 900
    escalation:
      human-in-the-loop: conditional
      triggers:
      - abnormal
      - high-value
    audit: required
- path: /v1/w3s/developer/transactions/contractExecution
  method: post
  operationId: createContractExecution
  x-agentic-access:
    action-class: acting
    consequence: write
    subject: required
    audience: null
    token:
      max-ttl: 900
    escalation:
      human-in-the-loop: conditional
      triggers:
      - abnormal
      - high-value
    audit: required
- path: /v1/w3s/developer/transactions/walletUpgrade
  method: post
  operationId: createWalletUpgrade
  x-agentic-access:
    action-class: acting
    consequence: write
    subject: required
    audience: null
    token:
      max-ttl: 900
    escalation:
      human-in-the-loop: conditional
      triggers:
      - abnormal
      - high-value
    audit: required
- path: /v1/w3s/developer/transactions/{id}/cancel
  method: post
  operationId: cancelTransaction
  x-agentic-access:
    action-class: acting
    consequence: write
    subject: required
    audience: null
    token:
      max-ttl: 900
    escalation:
      human-in-the-loop: conditional
      triggers:
      - abnormal
      - high-value
    audit: required
- path: /v1/w3s/developer/transactions/{id}/accelerate
  method: post
  operationId: accelerateTransaction
  x-agentic-access:
    action-class: acting
    consequence: write
    subject: required
    audience: null
    token:
      max-ttl: 900
    escalation:
      human-in-the-loop: conditional
      triggers:
      - abnormal
      - high-value
    audit: required
- path: /v1/w3s/tokens/{id}
  method: get
  operationId: getToken
  x-agentic-access:
    action-class: connected
    consequence: read
    subject: optional
    token:
      max-ttl: 3600
    audit: none