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HAQQ

Easiest way to build and scale HAQQ apps

Get reliable RPC nodes, intuitive SDKs, and APIs for your HAQQ project. It's the simplest and most reliable way to handle HAQQ data.

Get free API keyRead the docs

Free key · 100K credits · no credit card

  • Anchorage Digital
  • xPortal
  • Zengo
  • Xsolla
  • TRM
  • Suncrypto
  • Nestcoin
  • Merkle
  • Instapay
  • Hyperion
  • Bitpanda
  • Coinfirm
  • Elliptic
  • G2G
  • Chainalysis
Connect

Instantly test a call onHAQQ.

Hit a live HAQQ RPC node from here — pick a network, choose a method, and see the response in seconds. Same endpoints you'll use in production.

Available on HAQQ
JSON-RPC
Network interface
Run in Postman
haqq-mainnet.gateway.tatum.io

Request

curl --request POST \
--url 'https://haqq-mainnet.gateway.tatum.io' \
--header 'accept: application/json' \
--header 'content-type: application/json' \
--header 'x-api-key: YOUR_API_KEY' \
--data '{"id":1,"jsonrpc":"2.0","method":"eth_blockNumber"}'

# swap the subdomain for any of 140 networks —

# solana-mainnet , ethereum-mainnet , base-mainnet …

Response

Networks

Two HAQQ networks. One key.

Network
Slug
Protocols
Endpoint
Copy
HAQQ Mainnet
haqq-mainnet
JSON-RPC
https://haqq-mainnet.gateway.tatum.io
HAQQ Testnet
haqq-testnet
JSON-RPC
https://haqq-testnet.gateway.tatum.io

  • Global Load Balancer

    Route to nearest node

  • Batch RPC Calls

    Multiple requests at once

  • Archive Nodes

    Historical blockchain data

  • Debug & Trace

    Advanced debugging

  • Advanced Analytics

    Usage & performance

  • Bring Your Own RPC

    Custom RPC gateways

Capability

What else works on HAQQ.

RPC Gateway

Two HAQQ networks, one URL.

Tatum RPC Router balances traffic across healthy nodes, fails over instantly, and uses caching plus method-aware routing for speed and reliability.

Data APIs

1 confirmed on HAQQ

Browse the Data API docs
AI Builder

Describe it. AI Builder does the rest.

AI Builder creates the frontend, wires the backend, and connects the APIs that power your application.

Try
Pricing

Plans that scale with HAQQ

The more you use, the lower your effective cost — plans get cheaper as usage grows.

Dedicated API keys

Get a dedicated key with guaranteed RPS throughput for your most critical operations.

Choose your throughput:

Does not consume your plan credits.

Buy Dedicated Key
Contact sales

for higher throughput.

Other networks

140 networks.

Same key, same SDK, same URL shape. Switch the slug and the call still works.

KatanaArbitrum OneAvalancheBaseBinance Smart ChainCeloEthereumOptimismPolygonTronZKsyncMONADAbstractHyperEVMMANTRA ChainMegaETHMoca ChainBerachain+49 more
Browse all networks

Chain not listed? Tell us. We add networks on request.

FAQ

HAQQ questions we get asked.

HAQQ RPC is a remote procedure call interface that lets your application read blockchain data and submit transactions without running your own node. Tatum provides free and paid HAQQ RPC gateways with global load balancing and high uptime.