# NextBlock

## NextBlock

- [What is NextBlock?](https://docs.nextblock.io/readme.md)
- [Pricing & Rate Limits](https://docs.nextblock.io/pricing-and-rate-limits.md): Simple, scalable pricing. Upgrade/Downgrade freely.
- [Quickstart](https://docs.nextblock.io/getting-started/quickstart.md)
- [GoLang Sample Code](https://docs.nextblock.io/getting-started/quickstart/golang-sample-code.md)
- [Bundle Sending Sample](https://docs.nextblock.io/getting-started/quickstart/bundle-sending-sample.md)
- [Contact](https://docs.nextblock.io/getting-started/contact.md): For all inquiries, please contact us via one of the following channels:
- [Basics](https://docs.nextblock.io/api/basics.md)
- [Authentication](https://docs.nextblock.io/api/authentication.md)
- [Submit Transaction](https://docs.nextblock.io/api/submit-transaction.md)
- [Submit Batched Transactions](https://docs.nextblock.io/api/submit-batched-transactions.md)
- [QUIC Transaction Submission](https://docs.nextblock.io/api/quic-transaction-submission.md)
- [TX Stream API](https://docs.nextblock.io/api/tx-stream.md)
- [Go Example](https://docs.nextblock.io/api/tx-stream/golang.md)
- [Rust Example](https://docs.nextblock.io/api/tx-stream/rust.md)
- [TypeScript Example](https://docs.nextblock.io/api/tx-stream/typescript.md)
- [HTTP Example](https://docs.nextblock.io/api/tx-stream/http.md)
- [Examples](https://docs.nextblock.io/api/examples.md)
- [Golang](https://docs.nextblock.io/api/examples/golang.md)
- [Connection](https://docs.nextblock.io/api/examples/golang/connection.md)
- [Keepalive](https://docs.nextblock.io/api/examples/golang/keepalive.md)
- [Tip floor stream](https://docs.nextblock.io/api/examples/golang/tip-floor-stream.md)
- [QUIC Transaction Submission](https://docs.nextblock.io/api/examples/golang/quic.md)
- [Submit single transactions](https://docs.nextblock.io/api/examples/golang/submit-single-transactions.md)
- [Submit batched transactions](https://docs.nextblock.io/api/examples/golang/submit-batched-transactions.md)
- [Http](https://docs.nextblock.io/api/examples/http.md)
- [Rust](https://docs.nextblock.io/api/examples/rust.md)
- [Connection](https://docs.nextblock.io/api/examples/rust/connection.md)
- [QUIC Transaction Submission](https://docs.nextblock.io/api/examples/rust/quic.md)
- [Submit Single Transaction](https://docs.nextblock.io/api/examples/rust/submit-single-transactions.md)
- [Submit Batched Transactions](https://docs.nextblock.io/api/examples/rust/submit-batched-transactions.md)
- [Tip Floor Stream](https://docs.nextblock.io/api/examples/rust/tip-floor-stream.md)
- [Keepalive](https://docs.nextblock.io/api/examples/rust/keepalive.md)
- [Python](https://docs.nextblock.io/api/examples/python.md)
- [Connection](https://docs.nextblock.io/api/examples/python/connection.md)
- [QUIC Transaction Submission](https://docs.nextblock.io/api/examples/python/quic.md)
- [Submit Single Transaction](https://docs.nextblock.io/api/examples/python/submit-single-transactions.md)
- [Submit Batched Transactions](https://docs.nextblock.io/api/examples/python/submit-batched-transactions.md)
- [Tip Floor Stream](https://docs.nextblock.io/api/examples/python/tip-floor-stream.md)
- [Keepalive](https://docs.nextblock.io/api/examples/python/keepalive.md)
- [JavaScript/TypeScript](https://docs.nextblock.io/api/examples/javascript.md)
- [Connection](https://docs.nextblock.io/api/examples/javascript/connection.md)
- [QUIC Transaction Submission](https://docs.nextblock.io/api/examples/javascript/quic.md)
- [Submit Single Transaction](https://docs.nextblock.io/api/examples/javascript/submit-single-transactions.md)
- [Submit Batched Transactions](https://docs.nextblock.io/api/examples/javascript/submit-batched-transactions.md)
- [Tip Floor Stream](https://docs.nextblock.io/api/examples/javascript/tip-floor-stream.md)
- [Keepalive](https://docs.nextblock.io/api/examples/javascript/keepalive.md)


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on a page URL with the `ask` query parameter:
```
GET https://docs.nextblock.io/readme.md?ask=<question>
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.