API Reference

Simulate an inbound credit

post
https://api.checker.finance/v1/payments/sandbox/simulate-credit

Sandbox only. Simulates an inbound payment into an ACTIVE account. Settles asynchronously as a deposit — poll GET /accounts/{account_id}/balance or GET /transactions.

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Body Params

Sandbox-only request to simulate an inbound credit.

string
required

The ACTIVE account to credit.

string
required

Positive decimal amount in the account's currency, within the currency's decimal places. Sandbox rails may cap a single credit.

string

Optional rail or chain to simulate the credit on (e.g. US_ACH, US_FEDWIRE, SWIFT for fiat; ETHEREUM, SOLANA for stablecoins). Defaults to a supported network for the account's currency. Ignored by rails that have a single inbound network.

string
length ≤ 140

Optional sender name / reference shown on the simulated credit.

Headers
string
required

Idempotency key required on all write requests. Replaying the same key with the same body returns the original response.

string
required

Your API key

string
required

Request timestamp (ISO 8601 UTC), included in the signature payload

string
required

Unique request nonce (e.g. UUID)

string
required

HMAC-SHA256 hex digest of {METHOD}\n{path}\n{query}\n{X-Timestamp}\n{body}, signed with your API secret. Path excludes the query string; use an empty string for query/body when absent.

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Updated 17 days ago

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Updated 17 days ago

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