Sandbox only

Merchant banking · India

slice Business API

slice Business merchant banking (India) — OTP login, profile & balance, collection/passbook ledgers, beneficiaries, and two-step bank transfer.

Try in sandbox Guided demo (English)

9 endpointsFree sandbox

Sandbox · Request

curl · POST /login/start

curl -X POST 'https://www.openbankinggateway.com/api/sandbox/slice/login/start' \
  -H 'Content-Type: application/json' \
  --data '{
  "phone": "9000000000",
  "pin": "0000"
}'

Illustrative sandbox example. No provider is contacted, no SMS is sent, no funds move, and no credits are charged.

API reference

Know what you can call.

Methods, paths, and parameter rules come from the same catalog that powers the console. Open an endpoint to see its request fields.

Wallet authentication

POST

/login/start

Start the OTP login

Sandbox only

/api/sandbox/slice/login/start

POST login/start · Parameter
Parameter	Type	Rules & handling
`phone`Required	string	JSON body Use a wallet you are authorized to access. Live identities must be linked to your site account through wallet login. Format: `^[6-9]\d{9}$`
`pin`Required	string	JSON body Sensitive · never put in URLs Format: `^\d{4,6}$`

POST

/login/confirm

Confirm the OTP and issue a session token

Sandbox only

/api/sandbox/slice/login/confirm

POST login/confirm · Parameter
Parameter	Type	Rules & handling
`phone`Required	string	JSON body Use a wallet you are authorized to access. Live identities must be linked to your site account through wallet login. Format: `^[6-9]\d{9}$`
`otp`Required	string	JSON body Sensitive · never put in URLs Format: `^\d{4,8}$`

Account & activity

GET

/profile

Merchant profile

Sandbox only

/api/sandbox/slice/profile

GET profile · Parameter
Parameter	Type	Rules & handling
`token`Required	string	Send in X-OBG-Token Session token from the login step. Prefer the X-OBG-Token header so it stays out of URLs. Sensitive · never put in URLs Format: `^[A-Za-z0-9._~+/=-]{8,512}$`

GET

/account-screen

Balance and bank account summary

Sandbox only

/api/sandbox/slice/account-screen

GET account-screen · Parameter
Parameter	Type	Rules & handling
`token`Required	string	Send in X-OBG-Token Session token from the login step. Prefer the X-OBG-Token header so it stays out of URLs. Sensitive · never put in URLs Format: `^[A-Za-z0-9._~+/=-]{8,512}$`

GET

/transactions

Recent QR/UPI collections

Sandbox only

/api/sandbox/slice/transactions

GET transactions · Parameter
Parameter	Type	Rules & handling
`token`Required	string	Send in X-OBG-Token Session token from the login step. Prefer the X-OBG-Token header so it stays out of URLs. Sensitive · never put in URLs Format: `^[A-Za-z0-9._~+/=-]{8,512}$`
`pageNumber`Optional	integer	Query parameter Range: 0 … 1000
`pageSize`Optional	integer	Query parameter Range: 1 … 100

GET

/passbook

Bank passbook ledger (CREDIT/DEBIT)

Sandbox only

/api/sandbox/slice/passbook

GET passbook · Parameter
Parameter	Type	Rules & handling
`token`Required	string	Send in X-OBG-Token Session token from the login step. Prefer the X-OBG-Token header so it stays out of URLs. Sensitive · never put in URLs Format: `^[A-Za-z0-9._~+/=-]{8,512}$`
`pageNumber`Optional	integer	Query parameter Range: 0 … 1000
`pageSize`Optional	integer	Query parameter Range: 1 … 100

Transfers

GET

/beneficiary/manage

List saved beneficiaries

Sandbox only

/api/sandbox/slice/beneficiary/manage

GET beneficiary/manage · Parameter
Parameter	Type	Rules & handling
`token`Required	string	Send in X-OBG-Token Session token from the login step. Prefer the X-OBG-Token header so it stays out of URLs. Sensitive · never put in URLs Format: `^[A-Za-z0-9._~+/=-]{8,512}$`

POST

/sendMoney/prepare

Prepare a bank transfer (sends a confirmation OTP)

Sandbox only

/api/sandbox/slice/sendMoney/prepare

POST sendMoney/prepare · Parameter
Parameter	Type	Rules & handling
`token`Required	string	Send in X-OBG-Token Session token from the login step. Prefer the X-OBG-Token header so it stays out of URLs. Sensitive · never put in URLs Format: `^[A-Za-z0-9._~+/=-]{8,512}$`
`beneficiaryId`Required	string	JSON body Format: `^[A-Za-z0-9_-]{1,64}$`
`amount`Required	decimal	JSON body Range: 1 … ∞ Decimal places: 2
`notes`Optional	string	JSON body Length: 0 … 64

POST

/sendMoney/confirm

Confirm the bank transfer with the OTP

Sandbox only

/api/sandbox/slice/sendMoney/confirm

Sandbox simulation only. No real money moves; live transfers are not enabled for this integration.

POST sendMoney/confirm · Parameter
Parameter	Type	Rules & handling
`token`Required	string	Send in X-OBG-Token Session token from the login step. Prefer the X-OBG-Token header so it stays out of URLs. Sensitive · never put in URLs Format: `^[A-Za-z0-9._~+/=-]{8,512}$`
`otp`Required	string	JSON body Sensitive · never put in URLs Format: `^\d{4,8}$`

Endpoint identifiers and provider-specific descriptions are kept in English to match the API contract.

Try in sandbox

A request you can inspect.

The console starts in sandbox mode. Use only the public test values there. Switching to Live changes the destination and may use real accounts and funds.

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Sandbox

Keep exploration, account access, and billing separate.

From first request to live connection.

Explore without signing in
Choose an API and use its sandbox with the documented test values. Fixtures do not move money or contact a bank.
Create your gateway account
Sign in with Google for 1,000 welcome credits and create an API key. This signs you into the website, not a wallet.
Connect when you are ready
For a supported live API, complete the wallet login separately. Successful live requests cost one credit; failed requests cost none.

1,000 welcome credits · no card

Small start. Clear cost.

$10 buys 10,000 credits. A successful live request uses one credit; failures and sandbox calls use none. Buying credits does not unlock sandbox-only integrations.

Buy 10,000 credits

Integration guide

Bring it into your code.

Sandbox examples use public fixture values. Live examples use placeholders: keep credentials on your server and never commit them.

Sandbox

curl · POST

curl -X POST 'https://www.openbankinggateway.com/api/sandbox/slice/login/start' \
  -H 'Content-Type: application/json' \
  --data '{
  "phone": "9000000000",
  "pin": "0000"
}'

Sandbox only

Live access not enabled

Live calls for slice Business are enabled per customer. Sandbox mode stays free and needs no sign-in.

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Clear boundaries, before your first request.

A few things worth knowing.

Does the sandbox use real accounts?

No. Sandbox responses are fixtures and use public test credentials. They do not contact a financial provider, send an OTP, or move funds.

Can every API make live requests?

No. Only integrations marked as live have a real upstream. All others are sandbox-only and return LIVE_ACCESS_NOT_ENABLED in live mode. Contact us to discuss access.

When is a credit charged?

One credit is charged for a successful live call. Failed calls and sandbox calls are free. Check X-Credits-Charged rather than HTTP status alone. If X-OBG-Settlement: unknown is present, billing is unresolved: X-Credits-Charged: 0 does not prove that no debit occurred. Check usage and reconcile before retrying.

Does Google sign-in connect my wallet?

No. Google sign-in manages your site account, credits, and API keys. Wallet login is a separate, explicit flow for a supported integration and an account you are authorized to use.

slice Business API

Know what you can call.

Wallet authentication

Account & activity

Transfers

A request you can inspect.

From first request to live connection.

Explore without signing in

Create your gateway account

Connect when you are ready

Small start. Clear cost.

Bring it into your code.

Sandbox

Sandbox only

A few things worth knowing.

Keep exploring.

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