# \#evm

**URL:** https://dev-forum.pyth.network/tag/evm/4.md

[Latest](https://dev-forum.pyth.network/latest.md) · [Categories](https://dev-forum.pyth.network/categories.md) · [Tags](https://dev-forum.pyth.network/tags.md)

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## [Deprecation Notice: Pyth Entropy Deprecation for Selected chains — August 15, 2026](https://dev-forum.pyth.network/t/deprecation-notice-pyth-entropy-deprecation-for-selected-chains-august-15-2026/816)

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**Author:** [@KemarTiti](https://dev-forum.pyth.network/u/KemarTiti)\
**Replies:** 1\
**Last updated:** [August 18, 2026, 3:17pm UTC](https://dev-forum.pyth.network/t/deprecation-notice-pyth-entropy-deprecation-for-selected-chains-august-15-2026/816 "2026-08-18T15:17:08Z")

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Hi everyone, Douro Labs will discontinue support for Pyth Entropy (testnet and mainnet) on the following chains effective August 15, 2026: ZetaChain Unichain Taiko Tabi Story Blast Sei EVM From that date, Douro Labs …

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## [Missing parsePriceFeedUpdatesUnique function on BSC implementation](https://dev-forum.pyth.network/t/missing-parsepricefeedupdatesunique-function-on-bsc-implementation/793)

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**Author:** [@jack](https://dev-forum.pyth.network/u/jack)\
**Replies:** 6\
**Last updated:** [June 18, 2026, 7:30am UTC](https://dev-forum.pyth.network/t/missing-parsepricefeedupdatesunique-function-on-bsc-implementation/793 "2026-06-18T07:30:59Z")

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Main Issue: Missing parsePriceFeedUpdatesUnique function Chain: BNB Smart Chain Have been developing under the assumption the parsePriceFeedUpdatesUnique is a globally used method, however when going to do the final de…

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## [Price feed subscription error](https://dev-forum.pyth.network/t/price-feed-subscription-error/784)

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**Author:** [@pab666](https://dev-forum.pyth.network/u/pab666)\
**Replies:** 0\
**Last updated:** [May 21, 2026, 5:30pm UTC](https://dev-forum.pyth.network/t/price-feed-subscription-error/784 "2026-05-21T17:30:48Z")

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Hi. I am getting this message when subcribing to feed id 3068 { “type”: “subscriptionError”, “subscriptionId”: 1, “error”: “API key has insufficient access for the following reasons: Not entitled: 3068 (API key has …

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## [Xstocks price feed aggregation question](https://dev-forum.pyth.network/t/xstocks-price-feed-aggregation-question/769)

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**Author:** [@whsia](https://dev-forum.pyth.network/u/whsia)\
**Replies:** 1\
**Last updated:** [May 8, 2026, 5:23am UTC](https://dev-forum.pyth.network/t/xstocks-price-feed-aggregation-question/769 "2026-05-08T05:23:30Z")

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Hi there, I’m integrating a short-duration (like 30s) binary trading system for stocks. It looks like Pyth Core only supports regular market hours. Does the Pro service cover pre-market, post-market, and overnight sessio…

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## [Q2 2025: Pyth Core Onchain Fees](https://dev-forum.pyth.network/t/q2-2025-pyth-core-onchain-fees/766)

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**Author:** [@KemarTiti](https://dev-forum.pyth.network/u/KemarTiti)\
**Replies:** 0\
**Last updated:** [May 5, 2026, 1:05pm UTC](https://dev-forum.pyth.network/t/q2-2025-pyth-core-onchain-fees/766 "2026-05-05T13:05:16Z")

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This post announces the approved fee update for Pyth Core for Q2 2025, following the passage of OP-PIP-111 by the Pythian Council. Background Pyth Core (Price Feeds | Pyth Developer Hub) provides real-time price feeds …

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## [Oracle Gym - Gamified trading arena by PythNetwork - learn with real-time oracle](https://dev-forum.pyth.network/t/oracle-gym-gamified-trading-arena-by-pythnetwork-learn-with-real-time-oracle/703)

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**Author:** [@koushiknoah](https://dev-forum.pyth.network/u/koushiknoah)\
**Replies:** 0\
**Last updated:** [March 30, 2026, 7:48am UTC](https://dev-forum.pyth.network/t/oracle-gym-gamified-trading-arena-by-pythnetwork-learn-with-real-time-oracle/703 "2026-03-30T07:48:50Z")

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Oracle Gym Team: @koushiknoah Submitted: March 30, 2026 Answer Capsule Oracle Gym transforms Pyth oracle data into an interactive trading training platform. Users replay historical market scenarios using real Pyth Pri…

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## [Have callback issue in Base Sepolia wih Entropy](https://dev-forum.pyth.network/t/have-callback-issue-in-base-sepolia-wih-entropy/515)

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**Author:** [@mersault](https://dev-forum.pyth.network/u/mersault)\
**Replies:** 2\
**Last updated:** [February 11, 2026, 2:19am UTC](https://dev-forum.pyth.network/t/have-callback-issue-in-base-sepolia-wih-entropy/515 "2026-02-11T02:19:42Z")

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Make sure to check the Pyth Documentation to check for guides, common errors and reference materials. I’m not exactly sure what I did; I was just trying to ‘vibecode’ an idea I had. However, Gemini and Claude can’t se…

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## [Pyth Core - getLatestPriceUpdates timeout](https://dev-forum.pyth.network/t/pyth-core-getlatestpriceupdates-timeout/510)

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**Author:** [@Hyper0x0](https://dev-forum.pyth.network/u/Hyper0x0)\
**Replies:** 1\
**Last updated:** [January 20, 2026, 2:34pm UTC](https://dev-forum.pyth.network/t/pyth-core-getlatestpriceupdates-timeout/510 "2026-01-20T14:34:32Z")

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Hi, We already have a TG chat that suggested we post the situation we saw here. (if you need more information about us or the tg chat please le me know) We’re using Pyth Core to get the price of various assets we’re cu…

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## [Hi team, VRF for monad mainnet is available?](https://dev-forum.pyth.network/t/hi-team-vrf-for-monad-mainnet-is-available/473)

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**Author:** [@strong](https://dev-forum.pyth.network/u/strong)\
**Replies:** 1\
**Last updated:** [November 25, 2025, 11:05am UTC](https://dev-forum.pyth.network/t/hi-team-vrf-for-monad-mainnet-is-available/473 "2025-11-25T11:05:17Z")

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Chain - Monad mainnet Is vrf available on monad mainnet? if not, is there any eta for availablility??

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## [Failed to get realtime price feed (may be related to cloudflare)](https://dev-forum.pyth.network/t/failed-to-get-realtime-price-feed-may-be-related-to-cloudflare/468)

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**Author:** [@Astera](https://dev-forum.pyth.network/u/Astera)\
**Replies:** 2\
**Last updated:** [November 18, 2025, 2:32pm UTC](https://dev-forum.pyth.network/t/failed-to-get-realtime-price-feed-may-be-related-to-cloudflare/468 "2025-11-18T14:32:53Z")

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Hello, I’m currently using hermes.pyth.network/v2/updates/price/stream to get price, but currently I can’t connect to the stream. Is it caused by cloudflare? Is there any method I can use to get realtime price?

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## [@pythnetwork/pyth-sdk-solidity NPM package v4.3.0 is empty](https://dev-forum.pyth.network/t/pythnetwork-pyth-sdk-solidity-npm-package-v4-3-0-is-empty/463)

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**Author:** [@0xtomo](https://dev-forum.pyth.network/u/0xtomo)\
**Replies:** 2\
**Last updated:** [November 11, 2025, 8:40am UTC](https://dev-forum.pyth.network/t/pythnetwork-pyth-sdk-solidity-npm-package-v4-3-0-is-empty/463 "2025-11-11T08:40:27Z")

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Hello, It seems that @pythnetwork/pyth-sdk-solidityNPM package became almost empty in the latest version v4.3.0. Please compare these two: https://www.npmjs.com/package/@pythnetwork/pyth-sdk-solidity/v/4.2.0?activeTa…

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## [Price feed in Avalanche not working](https://dev-forum.pyth.network/t/price-feed-in-avalanche-not-working/460)

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**Author:** [@neethu](https://dev-forum.pyth.network/u/neethu)\
**Replies:** 1\
**Last updated:** [October 31, 2025, 10:09am UTC](https://dev-forum.pyth.network/t/price-feed-in-avalanche-not-working/460 "2025-10-31T10:09:48Z")

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I have trouble using the Core - Push based to get the price feed in Avalanche fuji network. I used the pyth contract 0x23f0e8FAeE7bbb405E7A7C3d60138FCfd43d7509. And gave price feed ID ETH/USD as given in the documentatio…

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## [Small note reg my submission Whiphash to Pyth Team!](https://dev-forum.pyth.network/t/small-note-reg-my-submission-whiphash-to-pyth-team/457)

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**Author:** [@shanrahul](https://dev-forum.pyth.network/u/shanrahul)\
**Replies:** 1\
**Last updated:** [October 28, 2025, 4:33am UTC](https://dev-forum.pyth.network/t/small-note-reg-my-submission-whiphash-to-pyth-team/457 "2025-10-28T04:33:57Z")

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Gm i’m Rahul Shanmugam here. I built Whiphash for EthOnline 2025. Pyth Entropy is the core of my project here. Pyth Entropy provides verifiable on-chain randomness that guarantees every password starts from a provably …

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## [Should we pay attention to the VAA timestamp when updating feeds?](https://dev-forum.pyth.network/t/should-we-pay-attention-to-the-vaa-timestamp-when-updating-feeds/452)

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**Author:** [@beborngod](https://dev-forum.pyth.network/u/beborngod)\
**Replies:** 2\
**Last updated:** [October 21, 2025, 6:52pm UTC](https://dev-forum.pyth.network/t/should-we-pay-attention-to-the-vaa-timestamp-when-updating-feeds/452 "2025-10-21T18:52:55Z")

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For example, we have feeds: A, B, C, and D. Pyth sends us an update with a VAA timestamp of 10 for markets A and B, while C and D remain unchanged. Can Pyth then send the next update with a VAA timestamp of 9 but for m…

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## [Integration Request: Add Fluent & MegaETH to Official Entropy Contract Addresses](https://dev-forum.pyth.network/t/integration-request-add-fluent-megaeth-to-official-entropy-contract-addresses/433)

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**Author:** [@0xelegant](https://dev-forum.pyth.network/u/0xelegant)\
**Replies:** 1\
**Last updated:** [October 10, 2025, 8:06am UTC](https://dev-forum.pyth.network/t/integration-request-add-fluent-megaeth-to-official-entropy-contract-addresses/433 "2025-10-10T08:06:20Z")

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Hey Pyth team We’ve successfully deployed Pyth Entropy into two new EVM-compatible networks; Fluent and MegaETH Testnet to enable onchain randomness for devs building games, prediction apps, and other consumer protocols …

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## [How to prove a priceUpdate is the latest available?](https://dev-forum.pyth.network/t/how-to-prove-a-priceupdate-is-the-latest-available/422)

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**Author:** [@0xjimmy](https://dev-forum.pyth.network/u/0xjimmy)\
**Replies:** 8\
**Last updated:** [September 30, 2025, 12:27pm UTC](https://dev-forum.pyth.network/t/how-to-prove-a-priceupdate-is-the-latest-available/422 "2025-09-30T12:27:28Z")

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uint fee = oracle.getUpdateFee(priceUpdate); oracle.updatePriceFeeds{ value: fee }(priceUpdate); PythStructs.Price memory price = oracle.getPriceNoOlderThan(priceFeedId, 30); The price only has publishTime and no other …

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## [Stuck: Need historical price verification in smart contracts](https://dev-forum.pyth.network/t/stuck-need-historical-price-verification-in-smart-contracts/405)

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**Author:** [@trynax](https://dev-forum.pyth.network/u/trynax)\
**Replies:** 1\
**Last updated:** [September 15, 2025, 7:20am UTC](https://dev-forum.pyth.network/t/stuck-need-historical-price-verification-in-smart-contracts/405 "2025-09-15T07:20:16Z")

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Hey fam! :waving\_hand: I’m stuck on two things and wondering if anyone has ideas 1. \*\*Target Hit Verification\*\*: How can I check if a price crossed a specific threshold during a past time period? (e.g., did ETH hit $30…

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## [TradingView candlestick chart help](https://dev-forum.pyth.network/t/tradingview-candlestick-chart-help/339)

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**Author:** [@howie228](https://dev-forum.pyth.network/u/howie228)\
**Replies:** 1\
**Last updated:** [September 1, 2025, 9:15am UTC](https://dev-forum.pyth.network/t/tradingview-candlestick-chart-help/339 "2025-09-01T09:15:43Z")

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I’m trying to implement a TradingView-like candlestick chart for my web-app, using hermes price feeds API for data. The flow on the backend is pretty simple: request the price feed with changes by second with a 60s off…

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## [Entropy working poorly #question](https://dev-forum.pyth.network/t/entropy-working-poorly-question/361)

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**Author:** [@howie228](https://dev-forum.pyth.network/u/howie228)\
**Replies:** 2\
**Last updated:** [August 14, 2025, 5:38pm UTC](https://dev-forum.pyth.network/t/entropy-working-poorly-question/361 "2025-08-14T17:38:12Z")

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I have a smart contract on Monad testnet implementing the Pyth Entropy to generate random numbers for an onchain game. As of today (Aug 14 2025), there have been a lot of instances of poor execution time/downtime, causin…

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## [24H TWAP on EVM](https://dev-forum.pyth.network/t/24h-twap-on-evm/350)

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**Author:** [@KemarTiti](https://dev-forum.pyth.network/u/KemarTiti)\
**Replies:** 1\
**Last updated:** [August 13, 2025, 3:10pm UTC](https://dev-forum.pyth.network/t/24h-twap-on-evm/350 "2025-08-13T15:10:25Z")

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Hey, Is it possible to obtain historical prices for the last 1440 minutes? Asking as I would like to create a 1 day TWAP for one price feed and be able to verify onchain it afterwards. Checking here: https://docs.pyth…

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## [Questions about Parse Price Feed Update Internal](https://dev-forum.pyth.network/t/questions-about-parse-price-feed-update-internal/349)

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**Author:** [@KemarTiti](https://dev-forum.pyth.network/u/KemarTiti)\
**Replies:** 1\
**Last updated:** [August 12, 2025, 1:05pm UTC](https://dev-forum.pyth.network/t/questions-about-parse-price-feed-update-internal/349 "2025-08-12T13:05:22Z")

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Hey, would like to check something about parsePriceFeedUpdatesInternal function parsePriceFeedUpdatesInternal( bytes\[\] calldata updateData, bytes32\[\] calldata priceIds, PythInternalStructs.ParseConfig memory…

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## [Broken Price Feed on Sonic](https://dev-forum.pyth.network/t/broken-price-feed-on-sonic/344)

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**Author:** [@user23453457474](https://dev-forum.pyth.network/u/user23453457474)\
**Replies:** 3\
**Last updated:** [August 11, 2025, 6:55am UTC](https://dev-forum.pyth.network/t/broken-price-feed-on-sonic/344 "2025-08-11T06:55:09Z")

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Hi, this pyth feed is reporting the wrong price. Could this be fixed? caed0964240861da425cf03fae9737473f6f031fb80cbbd73c3fb8cddd7a2204" It is stuck reporting a value of $1.02, but the market value is currently closer t…

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## [Announcing Entropy V2](https://dev-forum.pyth.network/t/announcing-entropy-v2/324)

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**Author:** [@Aditya520](https://dev-forum.pyth.network/u/Aditya520)\
**Replies:** 2\
**Last updated:** [July 31, 2025, 2:54pm UTC](https://dev-forum.pyth.network/t/announcing-entropy-v2/324 "2025-07-31T14:54:42Z")

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gm gm Pythians The Pyth contributors have rolled out Entropy V2, a major developer experience upgrade to Pyth’s on-chain randomness protocol. Entropy V2 introduces: Configurable Gas Limits for Callbacks Enhanced Call…

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## [New Utility in Pyth EVM Contracts: Combine Price Feeds to derive Cross Rates](https://dev-forum.pyth.network/t/new-utility-in-pyth-evm-contracts-combine-price-feeds-to-derive-cross-rates/230)

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**Author:** [@Aditya520](https://dev-forum.pyth.network/u/Aditya520)\
**Replies:** 2\
**Last updated:** [July 30, 2025, 12:44pm UTC](https://dev-forum.pyth.network/t/new-utility-in-pyth-evm-contracts-combine-price-feeds-to-derive-cross-rates/230 "2025-07-30T12:44:02Z")

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We just added a new helper to the pyth-sdk-solidity — deriveCrossRate() — to make it easier to calculate synthetic prices or cross rates like ETH/EUR, SOL/BTC, etc., using existing Pyth feeds. This is helpful when Pyth …

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## [Byte by byte breakdown of Hex encoded data received in latest price update API](https://dev-forum.pyth.network/t/byte-by-byte-breakdown-of-hex-encoded-data-received-in-latest-price-update-api/232)

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**Author:** [@nihar29](https://dev-forum.pyth.network/u/nihar29)\
**Replies:** 5\
**Last updated:** [June 26, 2025, 10:49am UTC](https://dev-forum.pyth.network/t/byte-by-byte-breakdown-of-hex-encoded-data-received-in-latest-price-update-api/232 "2025-06-26T10:49:54Z")

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Hi, I was working on a use case that required some documentation that is not available on the website. I was making use of this latest price updates API https://hermes.pyth.network/v2/updates/price/latest?ids\[\]=0xe62df…
